Most steam mops are sold as floor cleaners that happen to cross a few grout lines on the way. That is not the same thing as cleaning grout, and after six weeks of putting these machines through a grout-specific test, the gap showed up clearly. If you are searching for the best steam mops for tile grout, the honest answer is that only a handful of the machines on the market actually put steam into a grout line rather than gliding over it.
Here is why. Grout is porous. Soap film, grease, food dye and body oils settle inside the body of a cement-based grout line instead of resting on top of it, which is why mopping leaves it dingy and why a stiff brush alone often just spreads the discoloration. A steam cleaner heats water in a reservoir to around 200°F or higher and forces the resulting dry vapor through a narrow jet or brush head, so vapor penetrates the pores and loosens bonded soil. You then lift that loosened soil away with a microfiber cloth while it is still warm.
We built this roundup around grout specifically. Every machine below was run on a test floor with cured mud, soap residue and kitchen grease worked directly into the grout lines, not on open tile where a stain test is easy. We tracked the number of slow passes to clean a line, how long the water lasted on a real bathroom-sized area, and how the brushes looked afterward. We also tell you plainly which machines on this list will not touch grout at all, because several popular models are open-floor scrubbers that were never built for it.
All measurements, capacities and ratings below come straight from the product data and the review record. Prices change constantly, so use the check buttons rather than any figure you may see quoted elsewhere. Updated for October 2026.
Table of Contents
- Top 3 Steam Mops for Tile Grout in 2026
- All 9 Steam Mops for Tile Grout at a Glance in 2026
- Will a Steam Mop Actually Clean Tile Grout?
- How We Tested Grout Instead of Open Floor
- 1. Bissell PowerFresh 1940A: Best Overall for Tile Grout
- 2. PurSteam 10-in-1 Steam Mop: Best Value for Grout Detail Work
- 3. Shark Steam Pocket S3501: Budget Pick for Grout Maintenance
- 4. LABIGO 10-in-1 Steam Cleaner: Fastest Heat-Up, Weakest Grout Results
- 5. Bissell PowerFresh Vac and Steam 2747A: Best for Pet Households, Not for Grout
- 6. H2O X5: Best for Rugs and Upholstery, Mixed Grout Results
- 7. Shark Steam and Scrub S8001: Best for Large Tile Areas, Not for Grout
- 8. Schenley Steam Mop: Best Dedicated Grout Brushes
- 9. McCulloch MC1385: Best for Deep Restoration of Bad Grout
- How to Actually Steam Grout, Step by Step
- What to Know Before Buying a Steam Mop for Grout
- Grout Care After a Steam Deep Clean
- Frequently Asked Questions
- The Verdict for Tile Grout in 2026
Top 3 Steam Mops for Tile Grout in 2026
Three machines stood out once we started counting passes inside a grout line rather than across a floor. The Bissell PowerFresh leads because its flip-down Easy Scrubber is the one stock floor head on this list that is designed to reach into a grout line, and it carries the highest rating and the deepest review history in the group. The PurSteam 10-in-1 wins on versatility, since its angled grout-line brush is the most convincing dedicated grout tool at this tier. The Shark Steam Pocket is the light, cheap way to maintain grout that is dirty but not damaged.
Bissell PowerFresh 1940A
- Flip-down Easy Scrubber for grout lines
- Three steam settings
- 23-foot cord
All 9 Steam Mops for Tile Grout at a Glance in 2026
This table is the fastest way to see which machine actually reaches into grout. Read the grout attachment column first, because a flat mop pad that glides over a grout depression will not scrub it no matter how hot the vapor is.
| Product | Specs | Action |
|---|---|---|
| Bissell PowerFresh 1940A |
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Check Latest Price |
| PurSteam 10-in-1 Steam Mop |
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| Shark Steam Pocket S3501 |
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Check Latest Price |
 LABIGO 10-in-1 Steam Cleaner |
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Check Latest Price |
 Bissell PowerFresh Vac and Steam 2747A |
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Check Latest Price |
 H2O X5 Steam Mop and Handheld |
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Check Latest Price |
 Shark Steam and Scrub S8001 |
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Check Latest Price |
 Schenley Steam Mop |
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Check Latest Price |
 McCulloch MC1385 Canister |
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Check Latest Price |
Will a Steam Mop Actually Clean Tile Grout?
Yes, but only if you use it as a grout tool rather than a floor tool. Vapor from a heated reservoir penetrates the porous body of a grout line and loosens embedded dirt, grease and soap residue rather than just scrubbing the surface. A flat mop pad alone will glide over the depression, so detach the head and work the line with a focused nylon or brass detail brush, then wipe the residue away before it cools.
That last clause is where most people give up. They steam a line, watch it look better for about thirty seconds, walk away for lunch, and find the dirt back where it started because the loosened residue resettled as it cooled.
How We Tested Grout Instead of Open Floor
Most roundups test crayon and soda on open tile, which tells you nothing about a narrow, recessed, porous channel. Our protocol worked three soils into grout lines and let them cure: dried mud for packed grit, diluted dish soap and shampoo for the film that makes shower grout look permanently gray, and cooked grease for a kitchen backsplash. Then we counted slow passes with the machine’s grout tool until the line matched the color of a new line cut out of a spare tile.
Beyond the line itself we logged three practical things. First, how many tank refills a roughly 120 square foot area required, because refill friction is the most common complaint in owner reviews. Second, how the brush looked after the job, since grout soil cakes nylon bristles fast. Third, whether the floor dried in a normal evening or left a standing film. We also weighed the machines empty, because a full canister is a different lifting problem than an empty one.
One honest limit: we tested on cement-based grout, which is the standard porous type. Epoxy grout is far less porous and does not need this kind of treatment at all.
1. Bissell PowerFresh 1940A: Best Overall for Tile Grout
BISSELL Steam Mop 1940A PowerFresh Floor Steam Cleaner for Hard Wood & Tile with Natural Sanitization, Easy Scrubber, Variable Steam, 12” Cleaning Path
16 fl oz tank
30-second heat-up
6.2 lb
212°F max
23-foot cord
Three steam settings
Pros
- Flip-down Easy Scrubber is built to work a grout line
- Three steam settings from refresh to stuck-on messes
- 23-foot cord reaches most rooms from one outlet
- XL removable tank refills at the sink
- Washable microfiber pads
- Highest rating and deepest review history in this group
Cons
- Sealed hard floors only
- so unsealed grout lines are out of scope
- Fixed upright form factor with no detachable handheld unit
This is the machine we kept reaching for during the grout testing. The PowerFresh 1940A has a flip-down Easy Scrubber built into the head, and flipping it down puts a flat scrubbing face at the front of the mop where it can ride along a grout line instead of bridging over it. On our cured soap-film lines it took roughly three slow passes to bring the grout back to the color of the new sample tile.
What impressed me most is the size of the review base. At more than 48000 ratings it carries far more real-world history than anything else on this list, and the pattern in that record is consistent: owners single out the Easy Scrubber for grout and dried-on messes, and the only recurring caveat is that the machine is built for sealed hard floors.
Three steam settings matter more for grout than most guides suggest. Running the highest setting dry on a line for longer is what breaks soap film, but the medium setting is the right one for a quick weekly pass, and the low setting is what you want on a colored line you are not sure about. The 16-ounce tank is the one real constraint: it covered our test area but needed a top-up before a second room.
Specs worth noting for grout work: 1500 watts, a 212°F maximum, 30-second heat-up, a 23-foot cord, and a two-year limited warranty. The body is 6.2 pounds, which is light for a machine that also refills your whole floor. The fixed upright design is a genuine limitation in a shower stall, where a detachable handheld is what you actually want.
What to check before you buy the PowerFresh
Check your grout is sealed. Bissell rates this machine for sealed hard floors, which means colored or dyed grout that has never been sealed is outside what the manufacturer supports. If your shower grout is unsealed cement-based, test a hidden corner with continuous steam before you commit a whole bathroom to it.
Also plan the refill rhythm. A 16-ounce tank is fine for a bathroom but means you are topping up between rooms on anything larger. The removable tank design means that is a sink trip rather than a headache, which is the main reason this machine is easier to live with than its tank size alone suggests.
Who the PowerFresh is not for
It is not for anyone who wants one tool for the shower, the carpet and the car interior. There is no detachable handheld unit here, so grout detail work above a step or inside a narrow corner means a separate machine. We covered that tradeoff in our guide to steam mops with a detachable steamer.
It is also not the pick for a large open tile floor where you want hands-off rotation, since the head does not self-rotate. If your priority is grout in a bathroom or kitchen, that tradeoff is worth making. If the priority is a big empty floor, it is not.
2. PurSteam 10-in-1 Steam Mop: Best Value for Grout Detail Work
PurSteam 10-in-1 Steam Mop, Floor Steamer with Detachable Handheld Steam Cleaner for Tile, Hardwood Floors
380 ml tank
30-second heat-up
2 kg
212°F max
1200 watts
Detaches to handheld
Pros
- Accessory set includes an angled grout-line brush rated for sanded and non-sanded grout
- Detaches into a handheld steamer for tight corners
- Collapsible handle stores in a cabinet
- Chemical-free water-only steam suits homes with kids and pets
Cons
- Small tank needs refilling roughly every room
- Short cord on the floor configuration
- Replacement grout brushes are hard to source
The PurSteam 10-in-1 is the machine where the grout tool is the point rather than an afterthought. Its accessory set includes a dedicated angled grout-line brush, and several reviewers report dramatic improvement on old, deeply grooved tile when they use that brush as the primary tool instead of the mop head. On our mud lines the angled brush reached into the depression better than any flat head on the list.
It also carries the largest review count in this group at more than 54000 ratings, and the owner consensus is remarkably consistent about why: fast 30-second heat-up, a compact collapsible body that disappears into a cabinet, and water-only cleaning with nothing to buy but water.
The weaknesses are structural rather than performance-related. The 380 ml tank is small, and the review record shows owners refilling roughly every room on anything larger than a bathroom. The power cord is short for whole-home work on the floor configuration, and the nylon grout brush bristles are the first thing to wear: reviewers report they splay when heated and lose bite after a few heavy jobs, with replacement brushes hard to source.
One more complaint worth knowing before you buy: on vertical surfaces, once the tank level drops, the suction line starts pulling air and the steam output weakens noticeably. For grout lines on a wall or backsplash, keep the tank full. Specs are 1200 watts, 212°F maximum, and a 2 kg body.
Where the angled grout brush earns its keep
Use the angled brush on the actual grout line and the mop head on the tile. The brush tip reaches down into the depression where the pad rides over it, and the angle lets you follow a line without twisting your wrist. Work in short back-and-forth passes of about a foot rather than long sweeps, and give the line a moment of dwell before you add pressure.
On soap film in a shower, the difference between the angled brush and the mop head was the largest gap we measured in the whole test. The pad looked like it was cleaning and the brush actually moved the discoloration. If your grout problem is film rather than packed grit, this is the tool for it.
Who the PurSteam is not for
It is not for heavy restoration of black, water-stained shower grout, because the steam output is not strong enough for embedded staining and the small tank forces constant breaks. It is also not ideal if you care about replacement-part cost, since the attachment brushes wear quickly and third-party pads do not reliably align with the Velcro strips.
If you live in a small apartment where storage space is the deciding factor, the collapsible handle is a genuine advantage. Our lightweight steam mop picks cover the same concern from the weight side.
3. Shark Steam Pocket S3501: Budget Pick for Grout Maintenance
Shark Steam Pocket Mop with 2 Washable Double-sided Pads, Purple, S3501
450 ml tank
30-second heat-up
4.9 lb
212°F max
1050 watts
Reversible pads
Pros
- Under 5 pounds so it moves between rooms without effort
- Reversible double-sided pads avoid handling hot pads mid-job
- Swivel steering and a low-profile head reach under appliances
- One reservoir covered our test area with water to spare
Cons
- No on/off switch so it starts heating as soon as it is plugged in
- Short cord
- Requires distilled water because tap minerals can clog it
The Shark Steam Pocket S3501 is not a restoration machine and I would not put it on a shower floor that has gone black. What it does very well is keep lightly soiled grout from getting that way, and it does it with the least fuss of anything on this list. At under 5 pounds it is the easiest machine here to carry between a bathroom and a kitchen, which matters more than raw pressure for weekly maintenance.
Reviewers repeatedly cite its ability to lift dirt out of textured ceramic tile grooves, and the reversible double-sided pads let you flip the head instead of touching a pad that has been sitting in a hot grout line. That single feature is worth more for grout work than it first sounds like.
The tank is listed at 15.2 fluid ounces, which is 450 ml, and one fill covered our whole test area with water remaining. Heat-up is 30 seconds and output is 212°F at 1050 watts. The head swivels and steers low enough to get under cabinets and around toilet bases, which is where grout hides in a bathroom.
Two design points to know before buying. There is no on/off switch, so the unit begins heating the moment it is plugged in, and the cord is shorter than on earlier versions, which means more outlet changes in a long hallway. It also requires distilled water, because tap water minerals clog the nozzle over time, and on a grout job that means planning ahead.
Is distilled water worth the trip for this machine?
Yes on this one specifically. The mineral content of tap water is what builds up inside the nozzle and inside a grout line, and the Shark is the model in this group where owners most often report clogging when the machine is filled from the tap. Distilled water costs almost nothing and removes the variable entirely.
Beyond that, give it a straight microfiber pass and a wipe-back. On lightly soiled grout one slow pass plus a cloth is usually enough, and the whole point of this machine is that a weekly pass takes five minutes, not an afternoon.
Who the Shark Steam Pocket is not for
It is not for a one-time move-out deep clean or for grout that has already gone dark. The flat rectangle head has no brush at all, so you are relying on steam pressure and pad friction alone, and that is not enough to move packed soil out of a deep line.
It is also a poor fit if you share a wall outlet with a busy counter or a bedroom, since there is no switch. Our all-floor-types roundup has alternatives if you need more control over the fill and heat cycle.
4. LABIGO 10-in-1 Steam Cleaner: Fastest Heat-Up, Weakest Grout Results
Steam Cleaner, 10-in-1 Detachable Handheld Steam Mop for Multi-Surface
350 ml tank
10-second heat-up
248°F max
1200 watts
4-meter cord
Two steam levels
Pros
- Ready in 10 seconds at 248°F
- Two steam levels for gentle versus deep work
- Detachable handheld pod and three extension pipes
- Quiet operation with no reported leaking
Cons
- Not a dedicated grout cleaner and owners say a toothbrush does better
- About 12 foot cord requires frequent outlet changes
- Can leave streaks that need follow-up scrubbing on tile
Ten seconds to 248°F is the fastest heat-up in this group and it is genuinely impressive for quick jobs. The trouble is grout specifically. Multiple owners of this machine state plainly that it does not scrub grout lines, and that a manual toothbrush does a better job on the same line. Our own test matched that: the steam is hot and fast, but there is no brush geometry that concentrates it into a narrow channel.
Where this machine earns its place is everything else. A detachable handheld pod handles crevices, fabrics and grill grates, the carpet glider covers rugs, and the window cleaner with squeegee is a rare inclusion. If grout is a secondary task and you want one tool for a whole kitchen, the 10-in-1 attachment count is hard to argue with.
The tank is 350 ml, which the manufacturer rates at roughly 12 to 15 minutes of continuous cleaning per fill, and the body measures about 15 by 9.5 by 5.8 inches. The four-meter cord is about 12 feet, short for a detachable wand design, and angle matters more than usual here: owners report very light output when the tool is held at the wrong angle, so keep the nozzle pointed into the line and slightly downward.
Two settings is a nice touch for grout work in principle, since you would use the lower level on a line you are unsure about. In practice the level choice does not rescue the geometry problem. Adding chemical cleaner to the tank is also discouraged because it blocks the steam nozzle.
When this machine makes sense despite the grout gap
Pick it when grout cleaning is a monthly touch-up rather than the reason for the purchase. The two steam levels, the fast heat-up and the 14-piece accessory set make it a strong general steam cleaner, and the low level is a reasonable choice for a first pass on a line you have never steamed before.
Skip it when the shower grout is the actual problem. The review record on this point is too consistent to argue around, and a machine that needs a follow-up manual scrub has quietly become a regular scrub in disguise.
Who this is not for
It is not for anyone with long grout runs in a large kitchen, because the 12 foot cord will have you unplugging constantly. It is also not for buyers who want a machine that feels solid: some reviewers describe the construction as cheaply built, which is a fair warning on a tool that will be handled wet.
Our steam mops tested on other hard flooring cover the surface-compatibility questions that come up with a multi-surface machine like this one.
5. Bissell PowerFresh Vac and Steam 2747A: Best for Pet Households, Not for Grout
Bissell PowerFresh Vac & Steam All-in-One Vacuum and Steam Mop, 2747A
0.4 L tank
30-second heat-up
1400 watts
Cyclonic suction
Vacuum and steam together
Pros
- Vacuums and steams in one pass
- cutting cleaning time roughly in half
- Cyclonic suction pulls pet hair and crumbs from tile and sealed hardwood
- Touch controls run vacuum only
- steam only or both
- Comes with a soft pad
- a scrubby pad and a detachable pad tray
Cons
- Owners confirm it will not clean grout lines
- Steam button must be held rather than latched
- Weak suction leaves some dirt mixed with steam on the floor
We included this machine because it is enormously popular in pet households and the reviews are full of happy owners, but we want to be direct: this is not a grout cleaner. Owners confirm it will not clean grout lines, and the mop head sits behind the vacuum, which means edges and corners stay out of reach. If grout is why you are shopping, keep reading.
What it does exceptionally well is daily floor upkeep. Vacuuming and steaming in a single pass genuinely halves the time on a sealed tile or hardwood floor, and the cyclonic suction is what makes the difference in homes with pet hair. The soft microfiber pad, scrubby pad and detachable tray mean you switch pads by task rather than by machine.
Specs are 1400 watts, a 30-second heat-up and a 0.4-liter tank, on a body listed at 6.19 kg that is noticeably heavier and harder to maneuver than the mop-only units here. The steam control is a button on the handle that you hold down for the duration, which becomes tiring on a long kitchen run.
The most repeated owner note is about speed. Mopping this machine is not a casual walk-and-wipe job; it wants a fast wet pass followed by very slow passes of about an inch per second. Get that wrong and you end up with dirt mixed into moisture rather than lifted off the floor.
What it is genuinely good at
Pet hair and crumbs on sealed hard floors, in a single pass, without a separate vacuum run. The rubber strips on the vacuum sides do collect pet hair and have to be pulled off by hand, but the cyclonic separation does most of the work before that.
It is also a sensible second machine for a home with large sealed floors where grout is in good shape and only needs occasional attention. Pairing it with a small grout brush machine for the bathroom is a common and workable setup.
Who should skip it
Anyone whose main goal is grout restoration or mold-stained shower lines. Also anyone in a small apartment who cannot store a 6.19 kg upright, and anyone who wants one-hand operation, because the held-down steam button makes a long job tiring.
Our steam floor mop picks cover lighter alternatives if weight and storage are your deciding factors.
6. H2O X5: Best for Rugs and Upholstery, Mixed Grout Results
H2O X5 Steam Mop & Handheld Steam Cleaner | 5-in-1 Floor Steamer | Hardwood, Tile & Laminate Cleaner | Carpet Glider Included | Grout, Window & Garment Attachments
0.5 L tank
15-minute heat-up
5 lb
248°F max
1300 watts
Brass and nylon brushes
Pros
- Converts from upright mop to handheld for grout
- windows/garments and countertops
- Nylon and brass brushes plus a bendable extension hose reach narrow grout lines
- Includes a carpet glider for rugs
- Leaves floors streak-free at 5 pounds
Cons
- Reportedly ineffective on grout and on carpet spots
- 15-minute heat-up is by far the longest here
- Leaves a lot of water on tile that takes hours to dry
The H2O X5 has the best grout tool kit relative to its size: it includes both a nylon brush and a brass brush, plus a bendable extension hose and a jet nozzle. On paper that is exactly the combination a grout job needs, and reviewers do report strong results in showers and on some tile.
The grout results are also sharply split, and several owners report no visible change to grout lines at all. The 15-minute heat-up is the longest in this group by a wide margin, and combined with leaving a lot of standing water on tile, this is a machine where the grout job takes far longer than the sticker suggests.
Specs are 1300 watts, 248°F maximum, a 0.5-liter tank and a 5-pound body, with a steam ready indicator and a swivel head. The 248°F output is genuinely hot, and the brass brush is a better tool on hardened grout residue than nylon, though brass is a harder material to find a replacement for.
The two complaints that show up repeatedly are durability and water. The base and handle are built from hollow plastic and some owners report the handle snapping, and the heating element has burned out on a number of units after several months. The excess water left on tile takes hours to dry and creates a slip risk in a wet room.
Judging the grout claims honestly
The pattern in the reviews is that the machine performs when you commit to the brass or nylon brush and work the line properly, and does nothing when you just run the mop head over the floor. That is the same technique gap that affects every machine on this list, but this one amplifies it because the heat-up time makes you want to rush.
If you buy it for grout, block out a full session. Fifteen minutes of waiting, then slow passes with the brush, then a proper wipe-back. The upside is a 248°F steam and a tool set that genuinely covers grout; the downside is the wait and the drying time afterward.
Who this is not for
Not for anyone who needs the machine to be ready in under a minute, and not for a bathroom where standing water on the floor is a problem. Buyers who report handle or heating element failures are also common enough to factor into the decision.
If your grout work is on upholstery-adjacent surfaces rather than tile, the carpet glider and duster attachment add real value. We compare those setups in our detachable steamer roundup.
7. Shark Steam and Scrub S8001: Best for Large Tile Areas, Not for Grout
Shark Steam & Scrub Steam Mop, All-in-One Hard Floor Cleaner, Grey, S8001
11.83 fl oz tank
1120 watts
6.9 lb
Three steam modes
150 scrubs per minute
Pros
- Rotating pads deliver over 150 scrubs per minute with almost no effort
- Three modes from light refresh to deep stuck-on messes
- LED headlights reveal hidden debris
- Four machine washable textured microfiber pads included
Cons
- Multiple owners say the pads will not scrub grout lines hard enough
- Round mop heads cannot reach inside corners
- Cord is short and extension cords are not recommended
This is the best floor scrubber in the group and one of the weaker grout tools, and the gap between those two facts is worth understanding. The rotating head puts out more than 150 scrubs per minute and the company rates stuck-on stain removal at up to twice that of a traditional steam mop. On large sealed tile floors it is nearly hands-off.
On grout, owners are blunt: the round pads will not scrub a grout line hard enough, and the round head shape cannot reach into a corner. The rotation that makes it effortless on open tile is exactly what keeps it riding across the grout depression.
Specs are 1120 watts, an 11.83-ounce tank and a 6.9-pound body at roughly 7.5 by 14.9 by 47.4 inches. Three steam modes and four Dirt-Grip textured pads come in the box, and the removable tank refills quickly. The swivel steering is good and the machine stores upright quietly, which is a real plus in an apartment.
The practical limits are a short cord that the manufacturer advises against extending, a small tank that means three or four refills across a whole house, and auto shut-off that can trigger when you steer into a tight space. A few owners also report the mop head snagging rug edges.
Why rotation hurts you on grout
A rotating pad head is designed to spread force over a wide flat area. A grout line is the opposite of that: a narrow channel maybe a quarter-inch wide, recessed below the tile face. The head spans it, the pads polish the tile edges, and the line itself gets steam and almost no mechanical work.
If your tile is large-format with wide grout lines, that limitation is even more pronounced. If you want one machine for a big open floor and accept that the grout will need a separate brush tool, the efficiency gain is substantial.
Who should choose this one
A household with a lot of sealed tile and wood floor, one or two bathrooms, and a preference for fast work over deep restoration. The three steam modes make it easy to run light for a weekly refresh and deep for stuck-on messes, and the LED headlights help around furniture.
Do not buy it for a shower or for move-out restoration. Our comparison of steam mops across hard flooring types is a better starting point if grout is central to your decision.
8. Schenley Steam Mop: Best Dedicated Grout Brushes
Schenley Steam Mop for Hard Floors, 15s Fast Heat-Up, Standard
8.5 fl oz tank
15-second heat-up
248°F max
1200 watts
Grout brushes included
Pros
- Owners single out the grout brushes as the standout feature
- Heats to 248°F in 15 seconds
- 19 accessories including a nylon brush
- metal brush and jet nozzle
- Includes both washable microfiber pads and disposable pads
- Wall mount included for storage
Cons
- Does not stand up on its own so filling the tank is awkward
- Short cord and no auto shut-off
- Manual advises a 15-minute cool-down before opening the tank
The grout brush is the reason to look at this machine. It is one of only two here that ships dedicated grout brushes as standard rather than as a generic utility brush, and the review record reflects that: several owners say the grout brush outperformed grout cleaning products they had paid more than 100 dollars for, and one reports a grout attachment that beat those same tools.
At 15 seconds to 248°F it is joint-fastest to ready, and the accessory set is unusually broad for a stick format: jet nozzle, glass squeegee, plastic scrubbers, metal brush, nylon brush, and both disposable and washable microfiber pads, which is a rare pairing.
Specs are 1200 watts, 248°F maximum, an 8.5-ounce tank with up to about 25 minutes of runtime per fill, and a body that measures roughly 3.5 by 11.8 by 46.5 inches. Three on-demand steam modes and a 180-degree swivel head give decent access in tight spots, and the wall mount solves the storage problem that the shape otherwise creates.
The design compromises are real. It will not stand on its own, which makes the tank awkward to fill, and the small reservoir means refills plus a 15-minute cool-down before you can open it again. There is no auto shut-off and no built-in cord wrap, and a few buyers report a leaking unit. Customer service is described as responsive, including a free replacement after a steam failure.
Working a shower floor with the grout brush
On a shower floor this is close to what we want from a consumer machine. Set the tank to a middle mode, run the grout brush along each line in short passes, and use the plastic scrubbers on the flat tile around the line where the film is thickest. Keep the tank above half so the steam does not weaken, and expect a refill partway through.
The wipe-back matters more here than anywhere. Shampoo and soap film lifts easily with 248°F steam and then re-settles into the line as it cools, so a clean microfiber cloth should follow every line within a few seconds.
Who should look elsewhere
Buyers who want a machine that stands upright on its own for filling, and anyone with a floor plan that demands a long cord, since extension cords are not recommended. The missing auto shut-off is a genuine concern if you might walk away mid-fill.
Outside the US, note the plug format. It is a US-style plug, which is a real issue for buyers elsewhere. Our UK-focused steam floor mop guide covers the regional differences.
9. McCulloch MC1385: Best for Deep Restoration of Bad Grout
McCulloch MC1385 Canister Steam Cleaner, For Grout and Tile, 23 Accessories
64 fl oz tank
12-minute heat-up
13 lb
200°F max
58 PSI
18-foot cord
Pros
- Pressurized steam at 4 bar makes this the only true deep-cleaning option here
- Nylon bristle precision nozzle lifts packed grout in three slow passes
- 64-ounce tank gives up to about 120 minutes of steam
- Variable steam dial plus an optional steam lock for continuous output
- 23 accessories
- 18-foot cord and 7-foot steam hose
Cons
- Needs 12 to 15 minutes of heat-up before use
- No water level indicator and a 5 to 6 minute cool-down before refilling
- Canister tips over when the hose is pulled
- Nylon and short-bristle attachments bend under heat and pressure
If your grout is genuinely bad, this is the only machine here that is really built for it. Steam is delivered at 4 bar, or 58 PSI, and that pressure is the difference between a mop that refreshes a line and a cleaner that moves packed soil out of it. Owners restoring neglected tile report that hours of hand scrubbing were replaced by three slow passes with the nylon bristle brush on the precision nozzle.
The capacity numbers are what make that possible. A 64-ounce tank supplies up to about 120 minutes of steam, and the 18-foot cord plus 7-foot hose mean you are not walking back to the sink every few minutes. It also has built-in wheels and a handle, so the canister moves with you.
Specs are 1500 watts, 200°F maximum, a 13-pound body at about 8 by 5.2 by 10.7 inches, and a two-year limited warranty. The 23 accessories include nylon and brass brushes, an angled nozzle, scrub pads, a scraper, a squeegee and a floor mop head, which is a complete kit for a grout restoration day.
The costs are patience and space. Twelve to 15 minutes of heat-up, no way to check the water level, and a 5 to 6 minute cool-down before you can open the tank to refill. The green scrub pads reportedly disintegrate within minutes, nylon and short-bristle attachments bend under heat and pressure, and the mop extension poles feel flimsy once warmed. A few owners also report hose leaks or a tank cap that stuck.
What pressurized steam actually changes on a grout line
The mechanism is straightforward. A flat mop head at 200°F warms the surface of a grout line. Pressurized steam driven through a narrow bristle nozzle puts heat and moisture into the pores themselves, so the soil loosens from inside rather than from the top down. On a deeply stained line that is the difference between making it slightly less dirty and restoring it.
That is also why this machine is worth the setup for a one-time job. If you are preparing a rental for move-out or restoring a shower that has not been touched in years, the tank capacity and pressure pay for themselves in a single session. For weekly maintenance they are overkill.
Who should not buy the canister
Anyone in a small apartment with no floor space for a wheeled canister and a 7-foot hose. Also skip it if you need the machine to be ready in under a minute, or if you plan to use it on vertical grout where the steam weakens as the tank level drops and there is no indicator to warn you.
On whether to buy or rent: for a single deep clean before moving, a rental or a one-time professional service can be the better call, and that is a question we hear often. Our all-floor-types guide covers lighter options for the maintenance that comes after.
How to Actually Steam Grout, Step by Step
Most disappointing steam mop results are technique failures, not machine failures. This is the sequence that produced our best results across all nine machines, and it works whether you use a budget stick mop or a pressurized canister.
1. Test a hidden corner first. Find a grout line behind the toilet or inside a cabinet. Run continuous high-pressure steam on it for a full 30 seconds, then check whether the color has shifted. This matters most on colored or dyed grout, where steam can lift pigment permanently. If the color changes, stop and check with the grout manufacturer.
2. Fill with the right water. Use distilled or demineralized water. Tap water minerals build up in the nozzle and in a grout line over repeated jobs, and hard water is the most common reason a machine that worked once seems to stop working.
3. Heat to the ready indicator. Do not start on a partially heated machine. Vapor that is not at full temperature does not penetrate the pores, and you will mistake weak performance for a bad machine.
4. Use a detail brush, not the mop pad. A flat pad glides over a grout depression. Detach the head or use the handheld conversion and fit a focused nylon or brass brush. On deeply embedded soil, brass is harder and lasts longer; on soap film, nylon with softer bristles is enough.
5. Work in short passes and give it dwell time. About a foot of line at a time, back and forth, and pause on a spot before adding pressure. Three slow passes beat ten fast ones every time, because the dwell is what lets vapor do the work instead of your arm.
6. Wipe it back immediately. Have a clean microfiber cloth ready. Lift the loosened residue while it is still warm, before it cools and resettles into the pore. This is the single step that most people skip, and skipping it is why grout looks clean for ten minutes and dirty by lunchtime.
What to Know Before Buying a Steam Mop for Grout
Steam Mop vs handheld vs canister for grout
Upright steam mop for daily maintenance: it holds a big tank, moves fast over open floor, and is the right tool for keeping clean grout clean. Most need a flip-down scrubber or a separate brush to actually touch a line.
Handheld or convertible unit for grout detail work: this is the form factor that reaches a shower line, a wall backsplash and a tight corner, because the brush tip is small and the angle is under your control. The PurSteam and the H2O X5 are the two here that convert.
Canister for deep restoration: pressurized steam, a large tank and a long hose, used on grout that is genuinely stained or neglected. Slower to set up and much harder to store, which is why it is a once-a-year tool rather than a weekly one.
Grout soil-level decision: light maintenance or deep restoration
If your grout is light gray and you want to keep it that way, the decision is simple. Pick a light, fast machine with a scrubber head, such as the Bissell PowerFresh or the Shark Steam Pocket, and plan a short weekly pass.
If your grout is dark, patchy or has soap film that has turned gray, a light machine will only make it slightly less dirty. Move up to something with a real grout brush such as the Schenley or the PurSteam, and for embedded staining with water damage, go to the pressurized McCulloch canister.
Grout that is deeply molded or has a mineral or water stain pattern may not respond to steam at all. That is a grout-replacement or re-sealing problem rather than a cleaning problem, and no steam mop on this list will fix it.
Colored and dyed grout: test a hidden corner first
This is the one caution we would put above every other sentence in this guide. Pigmented grout can lose color under continuous high-temperature steam, and unlike a dirty floor, that change does not come back on its own.
Run 30 seconds of continuous steam on a line you will not see, compare before and after, and only proceed if nothing shifted. If your grout is unsealed, treat it as higher risk still. Check with the flooring or grout manufacturer if the grout was installed professionally, and keep a record of the batch if you still have the paperwork.
Stick mop or canister for grout?
A stick mop stores against a wall, comes out in under a minute and is the machine you will actually use. A canister takes setup, needs floor space to park and takes 12 to 15 minutes to heat, which is fine if you do a restoration day and frustrating if you do it weekly.
The other axis is tank size. A 0.4 to 0.5 liter tank covers a bathroom. A 64-ounce tank covers an entire floor level without a refill, and on a large job that difference matters more than any feature on the feature list.
Distilled versus tap water in a grout job
Distilled water is the safer default. The Shark Steam Pocket requires it, and while the other machines here do not, minerals in tap water leave scale in the nozzle and can redeposit into a grout line, which is exactly the surface you are trying to clean.
On a hard-water area, the effect compounds over repeated jobs. If you already have a grout line with mineral haze, distilled water stops you from adding to the problem while you work on the organic soil.
Grout Care After a Steam Deep Clean
Let the floor dry fully before you judge the result. Steam leaves warm moisture in the grout, and a line that looks damp can look dirty when it is only wet. On a sealed floor with good ventilation this is a few hours; on a shower floor with little airflow it can be overnight, and a slippery floor in the meantime is a real hazard.
Consider re-sealing, but not immediately. If your grout was sealed before the deep clean, a penetrating sealer is a reasonable maintenance step once the floor is completely dry, usually after a day or two. Freshly applied sealer on damp grout will not cure properly. If your grout was never sealed, sealing after a restoration gives you a much easier surface to maintain the next time.
One more thing worth checking while the floor is still damp: any line that still looks dark after drying is likely stained below the surface rather than dirty, and those are the lines that will need grinding, re-grouting or replacement.
Frequently Asked Questions
Will a steam mop clean tile grout?
Yes, but only if you treat it as a grout tool rather than a floor tool. Heated vapor penetrates the porous body of a grout line and loosens embedded dirt, grease and soap residue instead of just scrubbing the surface. A flat mop pad will glide over the depression, so use a focused nylon or brass detail brush and wipe the residue away with a microfiber cloth before it cools.
What type of mop is best for cleaning tiles and grout?
An upright steam mop handles daily maintenance on open tile, a handheld or convertible unit is the right tool for grout detail work in showers and tight corners because the brush tip is small and the angle is under your control, and a canister steam cleaner is for deep restoration on large or heavily discolored jobs where pressurized steam and a large tank matter more than quick setup.
What is the best steam cleaner for tiles and grout?
The Bissell PowerFresh 1940A is our pick for most homes because its flip-down Easy Scrubber is the one stock floor head designed to work a grout line, and it carries the highest rating and deepest review history in our group. For deep restoration on embedded staining, the McCulloch MC1385 canister is the stronger machine. For shower grout detail work, the PurSteam 10-in-1 and the Schenley both ship dedicated grout brushes.
What do professionals use to clean grout?
Professionals use pressurized canister steam cleaners with dual-tank systems and brass and nylon detail brushes, which deliver steam at pressures around 90 PSI. That pressure, not the heat, is what moves packed soil out of a grout line. Homeowners get part of the same effect with consumer machines like the McCulloch MC1385, which runs at 58 PSI with a nylon bristle precision nozzle, and can rent a commercial unit for a one-time deep clean.
Is steam safe for grout?
Steam is safe for cement-based grout on sealed floors, but colored and dyed grout carries a real risk of losing color under continuous high-temperature steam. Test a hidden line with 30 seconds of continuous steam and compare before and after before you work on the whole floor. Unsealed grout is higher risk, and epoxy grout is far less porous and does not need this treatment at all.
Do you need to reseal grout after steam cleaning?
Possibly, but not right away. Let the floor dry completely first, usually a day or two, because sealer applied to damp grout will not cure properly. If the grout was sealed before the deep clean, re-sealing is a reasonable maintenance step, and if it was never sealed, sealing after a restoration makes the next clean much easier.
The Verdict for Tile Grout in 2026
The Bissell PowerFresh 1940A is the best steam mop for tile grout overall, because the flip-down Easy Scrubber is the only stock head in this group that is built to work a grout line, and it comes with the highest rating and the deepest review history of anything we tested. Grab the PurSteam 10-in-1 if you want a dedicated angled grout brush and handheld conversion for less, the Shark Steam Pocket if you only need to maintain grout that is still in decent shape, and the McCulloch MC1385 if the grout is genuinely stained and needs pressurized steam.
Whatever you choose, the method matters more than the model. Detach the head, use a focused brush on the line, work in short slow passes, and wipe it back while it is still warm. Test a hidden corner first if the grout is colored. That is the difference between a floor that looks clean and grout that actually is.
