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Zep Grout Cleaner and Brightener - 32 Ounce (1 Bottle) - ZU104632 - Deep Cleaning Formula Removes Old Stains From Grout

4.4 out of 5 stars 2,177 ratings
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Purchase options and add-ons

Brand Zep
Item Form Liquid
Scent Unscented
Specific Uses For Product Tile, Grout
Material Feature Liquid

About this item

  • Deep cleaning grout is a tough job, even for pros, but strong acids remove deep stains from grout to reveal the best clean for novices to professionals alike
  • This professional strength tile grout cleaner has an acidic formula quickly restores stained grout lines on tile floors without the need for heavy scrubbing
  • Revitalize your tile and/or grout with this grout cleaner, specially formulated for white and colored grout lines, ensuring a pristine finish every time
  • Use this tile and grout cleaner to effortlessly renew grout, with a formula that is made in the United States, crafted from globally sourced materials ensuring quality and efficacy
  • Apply the grout cleaning solutions to stains. Allow for the solution to sit and work its magic for three minutes. Proceed to wipe away thoroughly, revealing a like-new appearance

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Product Description

grout cleaner

ZEP GROUT CLEANER & BRIGHTENER

Zep Grout Cleaner & Brightener is a very strong acid product. Keep out of reach of children. Keep children off the surface and out of the area during use.

If unopened, the product can be used for up to 2 years after the manufacture date. Using Zep Grout Cleaner & Brightener past the expiration, won't harm the surface. However, it degrades over time and won't clean as effectively.

Instructions

Contains hydrochloric acid. When used as directed, according to label instructions, Zep Grout Cleaner & Whitener will not affect the bacteria or enzyme action in septic tanks.

Instructions

  • PRO STRENGTH ACIDIC FORMULA
  • DEEP CLEANS GROUT LINES
  • REMOVES OLD STAINS FROM GROUT
  • KEEPS GROUT COLOR INTACT
  • A single quart bottle will cover approximately 250 sq ft
  • Do not use on countertops

zep next level cleaning

expected clean

next level clean

zep pro tip

grout cleaner
grout cleaner
zep grout cleaner
next level clean
GROUT CLEANER & BRIGHTENER
MOLD STAIN & MILDEW STAIN REMOVER
FOAMING SHOWER, TUB & TILE CLEANER
ACIDIC TOILET BOWL CLEANER
SHOWER, TUB & TILE CLEANER
Customer Reviews
4.5 out of 5 stars 1,310
4.4 out of 5 stars 1,346
4.3 out of 5 stars 1,849
4.5 out of 5 stars 962
Price no data $30.92 $43.38 no data $29.23
Best uses White or colored grout lines on tile floors Tub, shower, toilet and sink Tub, shower, and sink Toilets and urinals Tub, shower, and tile

From the brand

Product information

Technical Details

Manufacturer ‎ZEP INC
Part Number ‎ZU104632
Item Weight ‎2 pounds
Product Dimensions ‎6 x 3.5 x 9.88 inches
Country of Origin ‎USA
Item model number ‎ZU104632
Is Discontinued By Manufacturer ‎No
Size ‎32 Fl Oz (Pack of 1)
Color ‎ESSU104632
Material ‎Plastic
Volume ‎32 Fluid Ounces
Item Package Quantity ‎1
Special Features ‎Streak Free
Usage ‎Tile, Grout
Included Components ‎tile-epoxy-adhesives
Batteries Included? ‎No
Batteries Required? ‎No
Warranty Description ‎Warranty

Additional Information

ASIN B001B16Z7E
Customer Reviews
4.4 out of 5 stars 2,177 ratings

4.4 out of 5 stars
Best Sellers Rank #260 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement)
#1 in Tile Grout Cleaners
Date First Available August 17, 2005

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.

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Zep Grout Cleaner and Brightener - 32 Ounce (1 Bottle) - ZU104632 - Deep Cleaning Formula Removes Old Stains From Grout


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Top Brand: Zep

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Zep Grout Cleaner and Brightener - 32 Ounce (1 Bottle) - ZU104632 - Deep Cleaning Formula Removes Old Stains From Grout
Zep Grout Cleaner and Brightener - 32 Ounce (1 Bottle) - ZU104632 - Deep Cleaning Formula Removes Old Stains From Grout
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Price$9.48-12% $21.99
List:$24.99
$24.50$13.81$15.99-17% $14.99
List:$17.99
Price Per Unit$0.30 / fluid ounce$0.34 / fluid ounce$0.34 / fluid ounce$0.58 / fluid ounce$0.50 / fluid ounce$0.47 / fluid ounce
Delivery
Get it as soon as Thursday, May 15
Get it May 13 - 14
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Get it as soon as Thursday, May 15
Get it May 15 - 19
Customer Ratings
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form
scent
surface suggestion
weight
volume

Important information

Safety Information

Skin Contact Prolonged Contact May Cause Dryness Of The Skin. Eye Contact Splashes May Irritate. Health Warnings This Product Has Low Toxicity. Only Large Volumes May Have Adverse Impact On Human Health.

Ingredients

ZEP

Directions

1.Apply to Zep Grout Cleaner and Brightener to seams. Note: We recommend wearing chemical resistant gloves for all steps.2.Wait two to three minutes for cleaner to penetrate and loosen dirt.3.Agitate with a handheld brush or toothbrush. The dirt will rise easily without the need for heavy scrubbing.4.Rinse away the dirt with warm water.

Customer reviews

4.4 out of 5 stars
2,177 global ratings

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Customers say

Customers find the grout cleaner effective, working quickly to remove old stains and making bathroom floors look new. The product is easy to use and apply, and customers appreciate how it brightens up the grout. The smell receives mixed feedback, with some customers noting it doesn't have a strong chemical odor while others mention a strong chemical smell. Customers disagree on the whitening effect and durability of the product.

AI-generated from the text of customer reviews

283 customers mention "Effectiveness"226 positive57 negative

Customers find the grout cleaner effective, working quickly and doing a thorough job on grout.

"...Hours of time saved. One of the best purchases in a long time." Read more

"This stuff is amazing! I used it to clean a fiberglass bathtub that was filthy. It looks brand new now!..." Read more

"...The issue for us is yes, you have nice grout, but the integrity of the grout seems somewhat diminished!..." Read more

"Actually works and works well. With a brush most dirt came right out and a few shades brighters, huge difference...." Read more

232 customers mention "Grout cleaning ability"181 positive51 negative

Customers praise the cleaning agent's effectiveness on grout, noting it removes years of stains in minutes and dirt comes right off.

"...It's amazing! I got a little bristle grout brush. Very little scrubbing. Not even a scrub. More of a light combing!..." Read more

"...accumulation of red dirt from the yard is gone and the grout is restored to its original look. Hours of time saved...." Read more

"...I used it to clean a fiberglass bathtub that was filthy. It looks brand new now! I seen a few videos online and gave it a try ...." Read more

"...One bottle cleaned the grout in two bathrooms and 3/4s of a large rec room. I had to order another bottle to be able to finish the job...." Read more

22 customers mention "Ease of use"22 positive0 negative

Customers find the grout cleaner easy to use, with one mentioning that the squeeze bottle makes application convenient.

"This bottle is designed for easy application...." Read more

"...Just ordered more for the bathrooms. Great product. Easy to use with just pour on the grout directions and a small nozzle to aim with...." Read more

"...I highly recommend this product because it works really well and is easy to use." Read more

"This stuff is amazing! I can’t rave enough! Easy to use with no overwhelming fumes! Highly recommend!" Read more

13 customers mention "Brightness"10 positive3 negative

Customers report that the cleaning agent effectively brightens grout, with one customer noting that it lightens as it dries.

"...With a brush most dirt came right out and a few shades brighters, huge difference. Stop wasting time with home brew ways to clean grout...." Read more

"...n’t have to scrub very hard to get the dirt up, it definitely brightened up the grout. Just bought more to have on hand!" Read more

"...that I'm working on, however, Zep has lifted those stains, brightened the bathroom floor, and simply done the job beautifully. I apply it...." Read more

"...The grout didn't get super bright, but it's definitely better...." Read more

13 customers mention "Ease of application"13 positive0 negative

Customers find the grout cleaner easy to apply, with one mentioning it can be directly squirted onto the tile grout.

"...that this bottle has a spray cap so that I can squirt it directly onto the tile grout. I hope the results are lasting...." Read more

"...I like that it is easy to use by squeezing the bottle and applying where needed...." Read more

"...Sprayed the shower floor, let it sit for 3 mins then lightly scrubbed it and washed it off...." Read more

"...Easy pour from the bottle and only sits in the grout for 3 minutes. Use gloves and do not let the chemicals make contact with skin...." Read more

53 customers mention "Smell"16 positive37 negative

Customers have mixed opinions about the cleaning agent's smell, with some appreciating that it doesn't have a strong chemical odor, while others find it has a pretty strong chemical smell.

"works beautifully but has somewhat of a weird smell, it goes away though. very pleased with the purchase...." Read more

"...for a few minutes (making the process take longer), has a pretty strong chemical smell, specifies that you should wear gloves/long pants/etc, and..." Read more

"...I ordered this grout cleaner and the odor fabric & air spray. Both products are amazing...." Read more

"...I didn’t even scrub. It does have a smell, but it’s very subtle and goes away once it’s rinsed." Read more

19 customers mention "Color"7 positive12 negative

Customers have mixed experiences with the cleaning agent's effect on grout color, with some reporting it whitens the grout while others say it looks worse.

"...I'm at a loss for how to get the new stains off and our shower is looking pretty terrible...." Read more

"This turned my pink tile and dirty 80s grout to bright white in minutes!..." Read more

"...It still looks dirty. I wasted about an hour, not counting the wait time between applications...." Read more

"...Difference is great but not as white and effortless as I'd hoped. I just bought a brush attachment for the drill...." Read more

14 customers mention "Durability"9 positive5 negative

Customers have mixed experiences with the cleaning agent's durability, with some finding it very durable while others report no damage.

"...The floors look brand new. Make sure you have good ventilation as it is strong." Read more

"It ruined my travertine tile. Not recommend it!" Read more

"...I did not damage any of the slate and was easy to clean up...." Read more

"...third picture is the “after”, and I did these almost a month ago - very durable!..." Read more

Best product I’ve ever used! Going to stock up for life!
5 out of 5 stars
Best product I’ve ever used! Going to stock up for life!
So my kitchen floors have been driving me nuts. They are cleaned constantly. In fact my cleaner was here today! But the grout is stained so it looks dirty. I read that I may need to seal the grout. But I wanted to try to clean it good. Tried floor cleaner and one of those rotary brush/wand things. Nothing. So I saw this grout cleaner and looked it up and it had great reviews. Bought it and used it today. 🙌🏼👏🏼🙌🏼. If you have annoying grout, get this stuff. It's amazing! I got a little bristle grout brush. Very little scrubbing. Not even a scrub. More of a light combing! And I didn't even use half the bottle. Don't need much at all! These have been down for 2 1/2 years. Even if I do this every 6 months it's worth it.
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Top reviews from the United States

  • Reviewed in the United States on April 18, 2025
    So my kitchen floors have been driving me nuts. They are cleaned constantly. In fact my cleaner was here today! But the grout is stained so it looks dirty. I read that I may need to seal the grout. But I wanted to try to clean it good. Tried floor cleaner and one of those rotary brush/wand things. Nothing. So I saw this grout cleaner and looked it up and it had great reviews. Bought it and used it today. 🙌🏼👏🏼🙌🏼. If you have annoying grout, get this stuff. It's amazing! I got a little bristle grout brush. Very little scrubbing. Not even a scrub. More of a light combing! And I didn't even use half the bottle. Don't need much at all! These have been down for 2 1/2 years. Even if I do this every 6 months it's worth it.
    Customer image
    5.0 out of 5 stars
    Best product I’ve ever used! Going to stock up for life!

    Reviewed in the United States on April 18, 2025
    So my kitchen floors have been driving me nuts. They are cleaned constantly. In fact my cleaner was here today! But the grout is stained so it looks dirty. I read that I may need to seal the grout. But I wanted to try to clean it good. Tried floor cleaner and one of those rotary brush/wand things. Nothing. So I saw this grout cleaner and looked it up and it had great reviews. Bought it and used it today. 🙌🏼👏🏼🙌🏼. If you have annoying grout, get this stuff. It's amazing! I got a little bristle grout brush. Very little scrubbing. Not even a scrub. More of a light combing! And I didn't even use half the bottle. Don't need much at all! These have been down for 2 1/2 years. Even if I do this every 6 months it's worth it.
    Images in this review
    Customer imageCustomer imageCustomer image
    9 people found this helpful
    Report
  • Reviewed in the United States on March 21, 2025
    This stuff is amazing. I'm embarrassed to say how long it has been since the bathroom floor tiles had been thoroughly cleaned. I tried using vinegar, followed by scrubbing with a paste made of baking soda and dishwashing detergent, but it took several minutes to clean around one 12"x12" tile. With this Zep cleaner, I can clean an area about 5'x5' in the same time with much less effort. On a floor with smaller tiles and lots of grout lines, I squirt a little on an area about 2'x2' and spread with a brush. Let it sit about two minutes and brush the grout lines to loosen the dirt, then wipe up with a sponge and rinse with the sponge 2-3 times. The accumulation of red dirt from the yard is gone and the grout is restored to its original look. Hours of time saved. One of the best purchases in a long time.
    6 people found this helpful
    Report
  • Reviewed in the United States on May 3, 2025
    This stuff is amazing! I used it to clean a fiberglass bathtub that was filthy. It looks brand new now! I seen a few videos online and gave it a try . Try not to get it on hardware.
    2 people found this helpful
    Report
  • Reviewed in the United States on February 19, 2025
    Zep works great! I appreciate that this bottle has a spray cap so that I can squirt it directly onto the tile grout. I hope the results are lasting.

    We purchased a house with tile from the early 2000s, and I am guessing the grout hasn't been cleaned thoroughly since installation.

    I worked in 2ft x 4ft sections.

    After squirting Zep into the groutlines, I scrubbed them with my Libman mop scrubber and waited about 5 min. Then I scrubbed again.

    After that I used the mop head and fresh hot water repeatedly to remove dirt and residue. It took about 8 to 10 washing and rinsings until the water came clear for each section. That is how dirty the grout was!

    It was a daunting and time-consuming task, and I am sure there is an easier way to accomplish the job, but I am glad to see such results.

    One bottle cleaned the grout in two bathrooms and 3/4s of a large rec room. I had to order another bottle to be able to finish the job. If there is leftover, I may try to clean the shower wall groutlines.

    It was absolutely disgusting to see what was removed. I didn't mind the mild smell and didn't wear gloves because my hands didn't touch the product.
    Customer image
    4.0 out of 5 stars
    Yes, it works!

    Reviewed in the United States on February 19, 2025
    Zep works great! I appreciate that this bottle has a spray cap so that I can squirt it directly onto the tile grout. I hope the results are lasting.

    We purchased a house with tile from the early 2000s, and I am guessing the grout hasn't been cleaned thoroughly since installation.

    I worked in 2ft x 4ft sections.

    After squirting Zep into the groutlines, I scrubbed them with my Libman mop scrubber and waited about 5 min. Then I scrubbed again.

    After that I used the mop head and fresh hot water repeatedly to remove dirt and residue. It took about 8 to 10 washing and rinsings until the water came clear for each section. That is how dirty the grout was!

    It was a daunting and time-consuming task, and I am sure there is an easier way to accomplish the job, but I am glad to see such results.

    One bottle cleaned the grout in two bathrooms and 3/4s of a large rec room. I had to order another bottle to be able to finish the job. If there is leftover, I may try to clean the shower wall groutlines.

    It was absolutely disgusting to see what was removed. I didn't mind the mild smell and didn't wear gloves because my hands didn't touch the product.
    Images in this review
    Customer imageCustomer imageCustomer imageCustomer image
    16 people found this helpful
    Report
  • Reviewed in the United States on November 5, 2024
    Well, first of all, my grout was not all that dirty - just lighter in less trafficked areas and grubbier in the everyday pathways. That annoyed me.

    So, based on positive reviews, I bought the quart bottle. Here is my tip: DO NOT pour it from the bottle on each row of grout because you will waste a lot of it. I poured some in a cup, took an old toothbrush and just dipped it in the product and scrubbed each row. I waited 15 minutes and then wiped it off with a heavy-duty paper towel. There was definitely dirt on the towel. I continued on over the floor. Then, when I was finished with that, I scrubbed the grout/floor with plain water. what a lovely difference.

    i would definitely recommend this ZEP product to anyone who wants to make their ceramic tile look fresh and clean.
    3 people found this helpful
    Report
  • Reviewed in the United States on January 21, 2013
    We moved into a year old home that was beautiful but for one issue - tile in the kitchen, dining area, bathrooms and laundry room that though beautiful had extremely light grout and though we are neat freaks, light grout and a family with kids and pets is not a happy union.

    We had the tile professionally cleaned and sealed but within a few months the grout looked a bit discolored again so we tried everything and still it remained dirty. Reviews on this were great so we gave it a bash.

    Applied as directed, let sit as directed, used a soft grout brush and cleaned after the process was complete and wow...we had white grout!! We were impressed!! Now beware and do not make the mistake we did (and this is our error, not the product) you have to be careful it does not splash onto other surfaces. For the most part we caught it but a small amount splashed on the bottom of our nice new fridge and it discolored it - this stuff is strong!! As I said, our error but I hope in writing this others will be careful and look out for those areas it might have splashed onto without you realizing!

    The issue for us is yes, you have nice grout, but the integrity of the grout seems somewhat diminished! This stuff seemed to almost dissolve the top layer of grout so though clean, we are left with rough,patchy grout and some holes have appeared where they were not there before so I would not use this anywhere near my bathroom as the last thing I would want are holes in the shower grout! The grout also discolored far quicker after using this!!

    We have decided to throw the rest out, re grout in a slightly darker color and seal! Had we not used this, I may not have had to re grout but the holes leave me no option

    Cleans, but to what price?
    151 people found this helpful
    Report
  • Reviewed in the United States on April 29, 2025
    Actually works and works well. With a brush most dirt came right out and a few shades brighters, huge difference. Stop wasting time with home brew ways to clean grout. This is the stuff.
    2 people found this helpful
    Report

Top reviews from other countries

  • AMerrick
    5.0 out of 5 stars Don’t judge the before section of gross tile. Cheaper than regrouting!
    Reviewed in Canada on March 12, 2022
    I never ever ever write reviews. But I ordered this because people were posting before and after pics and I couldn’t believe it. It was expensive. More than I really wanted to pay but figured if it sucked id return it. BUT OH MY GOD!!!!
    Don’t judge the gross dirty grout, just bought the house. I used an old toothbrush to get in between the tiles easily. This was superrrrr easy to use. I did my entire kitchen (100sq ft roughly) with half a bottle, but you see in the bottom section of the first picture that my grout was dark grey. And apparently it’s off white.

    I am beyond satisfied!
    Customer image
    AMerrick
    5.0 out of 5 stars
    Don’t judge the before section of gross tile. Cheaper than regrouting!

    Reviewed in Canada on March 12, 2022
    I never ever ever write reviews. But I ordered this because people were posting before and after pics and I couldn’t believe it. It was expensive. More than I really wanted to pay but figured if it sucked id return it. BUT OH MY GOD!!!!
    Don’t judge the gross dirty grout, just bought the house. I used an old toothbrush to get in between the tiles easily. This was superrrrr easy to use. I did my entire kitchen (100sq ft roughly) with half a bottle, but you see in the bottom section of the first picture that my grout was dark grey. And apparently it’s off white.

    I am beyond satisfied!
    Images in this review
    Customer imageCustomer image
  • CWheatley
    5.0 out of 5 stars Really Good
    Reviewed in the United Arab Emirates on April 11, 2025
    Works Very Well, Cleaned Up our bathroom
  • Amazon Customer
    5.0 out of 5 stars Excellent
    Reviewed in the United Arab Emirates on February 3, 2025
    Had alotnof dirt and grime between the tiles.leave it on for 3 minutes and scrubbing out the dirt is really easy. Highly recommended product.
  • S
    1.0 out of 5 stars Don't waste your money
    Reviewed in Canada on February 12, 2025
    Didn't work at all. Would have been better off buying vinegar and a lemon lol.. Do not buy.
  • Poppy
    5.0 out of 5 stars Amazing product works like magic
    Reviewed in the United Arab Emirates on August 31, 2023
    Works like magic as soon as you pour it on the grout. You see all the scum lift off. But you have to be very careful and use gloves as the product is very strong.
    Highly recommend it for dirty grouts. It took no effort at all to remove the dirt.

Product Summary: Zep Grout Cleaner and Brightener - 32 Ounce (1 Bottle) - ZU104632 - Deep Cleaning Formula Removes Old Stains From Grout

From Zep

4.4 out of 5 stars, 2,177 ratings

Customer reviews

10K+ bought in past month

Price

One-time purchase: $9.48 ( $0.30 / fluid ounce)

Subscribe & Save price (No fees, Cancel anytime): $9.48 ( $0.30 / Fl Oz)

Additional savings available through Subscribe & Save (No fees, Cancel anytime)

Purchasing options

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About this Item

  • Deep cleaning grout is a tough job, even for pros, but strong acids remove deep stains from grout to reveal the best clean for novices to professionals alike
  • This professional strength tile grout cleaner has an acidic formula quickly restores stained grout lines on tile floors without the need for heavy scrubbing
  • Revitalize your tile and/or grout with this grout cleaner, specially formulated for white and colored grout lines, ensuring a pristine finish every time
  • Use this tile and grout cleaner to effortlessly renew grout, with a formula that is made in the United States, crafted from globally sourced materials ensuring quality and efficacy
  • Apply the grout cleaning solutions to stains. Allow for the solution to sit and work its magic for three minutes. Proceed to wipe away thoroughly, revealing a like-new appearance

Product Description

32 OZ, Zep Commercial, Grout Cleaner & Whitener, Ready To Use, Requires Little Or No Scrubbing.

Important Information

Safety Information

Skin Contact Prolonged Contact May Cause Dryness Of The Skin. Eye Contact Splashes May Irritate. Health Warnings This Product Has Low Toxicity. Only Large Volumes May Have Adverse Impact On Human Health.

Ingredients

ZEP

Directions

1.Apply to Zep Grout Cleaner and Brightener to seams. Note: We recommend wearing chemical resistant gloves for all steps.2.Wait two to three minutes for cleaner to penetrate and loosen dirt.3.Agitate with a handheld brush or toothbrush. The dirt will rise easily without the need for heavy scrubbing.4.Rinse away the dirt with warm water.

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