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ZEP Mold Stain and Mildew Stain Remover 32 Ounces ZUMILDEW32

4.1 out of 5 stars 570 ratings
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Brand Zep
Item form Spray
Specific uses for product Tile, Toilet, Grout
Item volume 946.35 Milliliters
Unit count 946 Milliliters
Surface recommendation Stone
Number of Items 1
Special ingredients Bleach
Item weight 2.38 Pounds
Contains liquid contents Yes

About this item

  • BEST STAIN REMOVER: Dissolves mold and mildew stains on contact!
  • HAND SPRAY BOTTLE: No-scrub formulation, just spray, wipe, and rinse!
  • MULTIPURPOSE-CLEANERS: Brightens fiberglass, tile, porcelain, and many other unpainted surfaces.
  • COMMERCIAL STAIN REMOVER: Ready to use, industrial strength formula.
  • Cleans toilet bowls, sinks, ceramic tile, grout, and more!
› See more product details

Frequently bought together

ZEP Mold Stain and Mildew Stain Remover 32 Ounces ZUMILDEW32
This item: ZEP Mold Stain and Mildew Stain Remover 32 Ounces ZUMILDEW32
$12.30($1.30/100 ml)
Get it Jul 16 - 17
Only 5 left in stock.
Ships from and sold by Express Supermart corp.
+
HG Mould Remover Foam Spray 500 ml - Immediately Eliminates All Moulds - Making Filthy Black Stains Disappear,White
$17.60($3.52/100 ml)
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Ships from and sold by 鶹.ca.
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Product description

Zep Mold Stain & Mildew Stain Remover puts the power of bleach to work eliminating the stains, leaving toilets, tubs, ceramic tile, grout and many other surfaces sparkling clean. Mold and mildew stains are unsightly and can be hard to remove with general-purpose cleaners.. They require a powerful, specialized cleaner. Zep(r) Mold Stain & Mildew Stain Remover is formulated to put the power of bleach to work cleaning toilet bowls, sinks, ceramic tile, grout and many other unpainted surfaces. Use indoors and out. Simply spray, wipe and rinse clean!

Product information

Technical Details

Manufacturer ‎Zep Commercial
Place of Business ‎Dorval, Quebec H9P1G2,CA
Item model number ‎ZUMILDEW32
Product Dimensions ‎11.28 x 27.69 x 7.75 cm; 1.08 kg
ASIN ‎B001SQSF3O

Additional Information

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Product details

  • Is discontinued by manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 11.28 x 27.69 x 7.75 cm; 1.08 kg
  • Date First Available ‏ : ‎ Nov. 4 2011
  • Manufacturer ‏ : ‎ Zep Commercial
  • Place of Business ‏ : ‎ Dorval, Quebec H9P1G2,CA
  • ASIN ‏ : ‎ B001SQSF3O
  • Item model number ‏ : ‎ ZUMILDEW32
  • Customer Reviews:
    4.1 out of 5 stars 570 ratings

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ZEP Mold Stain and Mildew Stain Remover 32 Ounces ZUMILDEW32
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Price-12%$12.30
Was: $13.98		$17.60$14.99$19.99$22.89$4.97
Price Per Unit$1.30 / 100 ml$3.52 / 100 ml$7.50 / 100 ml$9.09 / 100 ml$3.22 / 100 ml$0.53 / 100 ml
Delivery
Get it Jul 16 - 17
—
Get it by Monday, Jul 21
Get it by Sunday, Jul 20
Get it by Sunday, Jul 20
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Customer ratings
4.14.1 out of 5 stars570
4.24.2 out of 5 stars1,634
4.24.2 out of 5 stars41
4.34.3 out of 5 stars155
4.64.6 out of 5 stars7,677
4.74.7 out of 5 stars368
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Customer reviews

4.1 out of 5 stars
570 global ratings

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Customers say

Customers like the effectiveness of the product. They mention it works like magic on their trailer canvas and is the greatest mold remover ever. However, some customers have reported that the smell is quite strong and the fumes are pretty intense.

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EffectivenessOdor
14 customers mention "Effectiveness"14 positive0 negative

Customers are satisfied with the effectiveness of the product. They mention it works like magic on their trailer canvas and is probably the best product they've ever used on mould. Customers also say the wall cleans up nicely and the water cleans better.

"I used for the molds amd its very useful,.,thanks will order again" Read more

"Worked like magic on my trailer canvas...." Read more

"This worked amazing in my bathroom on the mould" Read more

"...The wall cleaned up nicely...." Read more

3 customers mention "Odor"0 positive3 negative

Customers are dissatisfied with the odor of the cleaning agent. They mention the smell is quite strong and the fumes are pretty intense.

"...Just be sure to wear a mask, as bleach smell is very strong." Read more

"...wear a mask though and keep the area ventilated because the fumes are pretty intense" Read more

"...This product had it gleaming in under 10 minutes! The smell is quite strong so I recommend a well ventilated area." Read more

Bottle broken during delivery
1 out of 5 stars
Bottle broken during delivery
They item arrived quickly. Thank goodness it was in a plastic bag as the screw top section cracked and it had leaked into the plastic bag. I live in a condo and had to dispose of this cleaner immediately down the drain and wrap the wet box and item in plastic bags to go down the garbage chute. 鶹 does not accept returns on this product so buyer beware. The only thing this cleaner did was clean my drain when it went down the kitchen sink.
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Top reviews from Canada

  • Kell
    5.0 out of 5 stars Very useful
    Reviewed in Canada on May 26, 2025
    Verified Purchase
    I used for the molds amd its very useful,.,thanks will order again
    Helpful
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  • LIT AURELLADO
    5.0 out of 5 stars Worked Just as it Should
    Reviewed in Canada on May 22, 2025
    Verified Purchase
    It worked exactly as I hoped it would.
    Helpful
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  • Monir Rahmani
    4.0 out of 5 stars It worked like Magic!
    Reviewed in Canada on July 1, 2025
    Verified Purchase
    Worked like magic on my trailer canvas. The only reason I gave 4 instead of 5 star is because it may be too strong for canvas because it doesn’t seem like waterproof anymore or maybe it is too and wasn’t waterproof before applying this. I am not quite sure.
    Helpful
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  • Mum T
    5.0 out of 5 stars Was exactly what I needed
    Reviewed in Canada on March 27, 2025
    Verified Purchase
    This worked amazing in my bathroom on the mould
    Helpful
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  • elizabeth mazzaferro
    3.0 out of 5 stars Helps a little
    Reviewed in Canada on August 8, 2022
    Verified Purchase
    Used it for the shower tiles. Helped a little
    One person found this helpful
    Helpful
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  • kazi
    1.0 out of 5 stars Bad seller bad product
    Reviewed in Canada on August 5, 2024
    Verified Purchase
    Completely disgusting experience with product and the company. Avoid buying from this seller.i will I could do negative 1000 star
    3 people found this helpful
    Helpful
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  • scubaphil
    5.0 out of 5 stars It worked for me
    Reviewed in Canada on October 25, 2021
    Verified Purchase
    We had black mold growing on the wall of our laundry room. I sprayed it - let it sit, sprayed again and wiped off the mold with a damp cloth. The wall cleaned up nicely. I do NOT KNOW if it is advisable but I sprayed the wall again just to try to prevent the mold from returning in the future. We also moved some things to allow more light to hit that part of the wall and promote better air circulation.
    8 people found this helpful
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  • reader707
    5.0 out of 5 stars It works so well!
    Reviewed in Canada on October 28, 2021
    Verified Purchase
    I used it to remove mold at the bottom of my shower doors. Also, the floor tile grouting had reddened due to my hair dye. I sprayed the floor and left it for about half an hour. Sprayed it with shower hose and grouting is back to new-looking white. Just be sure to wear a mask, as bleach smell is very strong.
    3 people found this helpful
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Top reviews from other countries

  • D. Masselink
    5.0 out of 5 stars No kidding - no scrubbing!
    Reviewed in the United States on July 2, 2015
    Verified Purchase
    I'm blown away - this stuff is truly amazing! Our pontoon boat is 16 years old, and many of the mildew stains on the furniture are almost that old. The backs of the seats have a mesh storage pouch that has been black for as long as I can remember, since it's almost impossible to clean. Basically, the creamy-white vinyl upholstery was about 50-60% mildew-stained, even after blasting it with a pressure-washer :-( It was embarrassing to have people see this boat.

    I've always known that Zep makes good products, so I decided to give the Zumildew a try. I figured if this stuff ate holes in the vinyl or destroyed the seam stitching - I wasn't out much. I was prepared to invest in new furniture, since the boat itself, is still in good shape; and buying a similar new boat was going to set us back $35-grand at least.... but each year, the mildew just seemed to get worse despite using other bleach-based cleaners. I was sick of putting in hours of work, only to still have stained furniture.

    With my ugliest work clothes on, I started spraying the Zumildew on the vinyl - and I just let it sit for 10 minutes or so. The product has a strong bleach smell, but I was outdoors, so no problem. I could see the mildew bleaching out as the minutes went by; I went back and sprayed spots I could see that I missed. It doesn't take much product - a whole bottle will do my badly-stained 25' pontoon easily. I never rubbed or scrubbed - if the spray didn't make the stain disappear completely, I sprayed it again. The vinyl furniture got cleaner and cleaner - finally, I wiped it all down with a wet towel (I wore rubber gloves) to remove the spray from the surface (worried any residue might bleach clothes, although the old blue-and-white checkered towel I was using shows no signs of bleaching out)

    I wish I had taken before-and-after photos - the difference is dramatic! I still have a few "freckles" of mildew stain - but I'd say that 98% of the boat is now stain-free!!! I'm stunned by how easily this works! My nasty-looking old boat now looks almost-new. I will absolutely use this again for any mildew stains! (I'm not affiliated with Zep in any way other than being an elated customer)
    Report
  • Cali
    5.0 out of 5 stars Commercial Strength Mold Remover Kills and Cleans with Strong Fumes
    Reviewed in the United States on January 10, 2018
    Verified Purchase
    I used this brand upon the suggestion of my friend, who is a nurse - and knows a thing or two about keeping the home clean and sanitary. She was absolutely right with the power and effectiveness of this product. After spraying an equal part diluted solution of this (1/2 ZEP, 1/2 water) on my bathroom tiles, tub and shower curtain liner. I then used a long-handled sponge cleaner to evenly spread this some more and get into the deep crevices of the grout. Then I let this solution sit for a couple hours with the bathroom windows open and a fan blowing out. When I came back, everything was completely clean and clear - practically brand new. The final step is to completely rinse everything with water so that none of the residue is left on your tile wall/bathtub prior to you using your bathroom again. I recommend you either wear some sort of mask and possibly even goggles (I used a P100 filter mask) and be sure to open all windows while using this as the fumes are extremely strong and can really irritate your lungs and water your eyes if you stay too long in the bathroom. ZEP is commercial-grade strength after all, so the bleach in this product is very concentrated. Of course, keep this locked and away from children when not in use and don't go in the bathroom while you are waiting for it to soak into your tiles/bathtub.
    Report
  • Derek
    4.0 out of 5 stars Works Well Enough
    Reviewed in the United States on October 30, 2013
    Verified Purchase
    The showers in our apartment tend to get an unsightly mold build up in the grout over time which is disgusting and concerning. We've used Mold Armor in the past to remedy this issue with solid results but, out of curiosity, I decided to try this out as an alternative, compare the two, and see if I should make a switch. With that in mind, here's my experience:

    For the most part, this product works as advertised and does break down the mold after a few minutes. I was disappointed to find that I needed to apply the product a couple times and pair each application with some light scrubbing to achieve the results I desired. Now, this wouldn't have been burdensome but I found that, while scrubbing, the aerosolized chemicals were quite harsh on the mucous membranes; even harsher than comparable products. Anyway, I eventually got the mold to disappear and the effort invested in doing so was negligible so I can't really complain.

    That said, I was satisfied with this product but believe I will be continuing my search for better.
    Report
  • DramaDiva
    5.0 out of 5 stars Bye, Bye mold!!!
    Reviewed in the United States on November 9, 2018
    Verified Purchase
    I live in south Texas where mold grows even on the sides of seldom used toilets. I had a particular issue with not being able to clean my shower to my satisfaction. Well, no more. This stuff is great! It takes care of the mold without me having to do anything but watch it disappear and rinse it with water afterwards. It does have a strong chlorine odor, but what else should you expect. I did have an issue with the packaging. While they did a great job by encasing the container in a separate plastic bag, I had forgotten I had ordered this item and when I opened the bag, there was spilled product inside and it dripped onto my floor. Luckily I was in the bathroom (by some weird chance) and it dripped onto tile. I would have been devastated if it had dripped onto my carpet or wood floor. Otherwise, this is a great product I will buy again.
    Report
  • AbiP
    5.0 out of 5 stars Mildew and mold exterminator
    Reviewed in the United States on February 23, 2018
    Verified Purchase
    I rarely post reviews so when I do it's because I am supremely satisfied with the product. I tried so many different types of cleaning products and nothing got rid of the stains and mildew on my ceramic bath and the grout in the tiles. I was so ticked off because it's a new apartment and I intensely dislike the feeling of bathing with other people's germs. I read the reviews and decided to try this. It took 3 minutes for every single mildew spot and stain to disappear. Didn't even have to scrub it after. I must say the fumes are a little toxic. But I aired out the rooms after. Job well done! Now I can shower with peace of mind...
    Report