ACTIVE

ACTIVE Mold Stain Remover Gel Cleaner Heavy Duty Stain Cleaner for Front Loader Washing Machine Seal Bathroom Grout

1479+ bought in the past month

$17.96$28.11

About this item

  • Fast and Effective: ACTIVE Seal & Grout Stain Remover is a Powerful Whitening Deep Cleaner. Mildew Stain Remover has an Instant Effect in Minutes to Quickly Clean Mold Stain and Eliminate Unwanted Musty Dirt and Grime
  • Wide Range of Use: Efficient Cleaning for Rubber Gasket, Front Loading Laundry Drum, Cleaning Washer Mildew Stains, Refrigerator Seal Strips, Bathroom Cleaner for Mold Stain on Shower Walls or Caulking Cleaner. Get Rid of Stain on Tub, Tile, Wall, Showers, Grout Cleaner Gel, Bathtub Stain Remover. Wash Indoor House Stain
  • Easy Application: See Product Directions for Best Effective Usage. Apply Front Loader Washing Machine Gasket Cleaner Gel Evenly on Seals, or Vertically on Wall Line without the Gel Running - compare to spray or liquid
  • Powerful Formula: ACTIVE Mildew Stain Gel Solution Will Clean & Remove Discoloration, Black Spot & Buildup related to Mold Stain, Moisture, Grease in Appliance Seals. ACTIVE Stain Gel is a Concentrated Solution lasting up to a Year per 7oz Bottle
  • Gentle Odor: ACTIVE Washing Machine Cleaner Gel is Made from Simple Ingredients - Compare to Other Product with Harsh Chemicals and Heavy Scent that can Damage Home Surfaces
  • Troubleshooting Tips: For best results, shake bottle for at least ten seconds before use. Apply generous coating of gel. We also recommend you allow gel to sit for at least five hours for stubborn stains. Note: For tougher stains, you may need to apply thicker layer or repeat treatment
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Product details

BrandACTIVE
Item FormGel
ScentUnscented
Specific Uses For ProductCleaning Discolored Grout, Seals, Caulking, Front Load Washing Machine Cleaner Mold Stain, Hand Wash, Machine Wash, Washing Machine Deep Clean See more
Material FeatureFragrance Free, Mineral-Based, Natural, Unscented

Technical specifications

product_dimensions4.92 x 3.14 x 2.16 inches; 7 ounces
item_model_numberWashing Machine Cleaner Seal Stain Gel
date_first_availableJune 1, 2024
manufacturerACTIVE
best_sellers_rank#185 in Health & Household ( See Top 100 in Health & Household ) #1 in Household Mold & Mildew Removers

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Customer reviews

4.119,910 ratings

Customers say

Customers find the mold remover gel effective at removing mold and mildew stains, making their showers and washers look like new.

★★★★★

Powerful mold remover that completely eliminated stubborn washing machine buildup!

Amy BiggsNovember 30, 2025

This ACTIVE mold stain remover gel has been absolutely incredible for tackling the persistent mold and mildew problems in my front loader washing machine - the quality is outstanding with a heavy-duty formula that actually penetrates and dissolves black mold stains that other cleaners couldn't touch, and I love how the gel consistency clings to surfaces instead of just running off like watery cleaners that never seem to work effectively. The functionality is phenomenal as it completely eliminated the musty odors and visible mold buildup around my washing machine door seal and detergent drawer that had been driving me crazy for months, and I'm amazed by how quickly it works without requiring excessive scrubbing or multiple applications like other products I've tried. It looks great with professional packaging that gives me confidence in its effectiveness, and the gel formula makes application precise and controlled without messy dripping or waste that comes with spray cleaners. At this price point, it's incredible value compared to expensive appliance service calls or replacing washing machine parts due to mold damage - this single bottle has completely restored my washing machine to like-new cleanliness and freshness, and knowing my clothes are being washed in a truly clean environment has given me such peace of mind, making this one of the most essential household products I've discovered for maintaining appliance hygiene and preventing the health concerns that come with mold exposure in washing machines that see constant moisture. Read more

★★★★★

I was skeptical, but it works!

Hannah RobinsonJuly 14, 2025

Our shower is large annd deep and mold grows on the left corners where the shower head is because air circulation is bad. We have had a mold problem for years due to several showers being taken in there every day, the mold could never dry out. I tried bleach, hydrogen peroxide, every type of toxic mold cleaner and it never went away. But it was nasty! So I tried this stuff. First of all, I followed directions to a t! I placed a fan in my shower to really really dry it out. I took the shower brush and scrubbed the dry mold. Then I cleaned it. I dried the whole shower with a towel and let the fan dry it out fully. Then I put on gloves, a mask (you’ll need it- it smells like chlorine!) and eye protectant (just in case, the gel doesn’t splash but there were times when I was squeezing out the bottle that it “farted” and I was glad I was wearing eye gear). The bottle comes with a nozzle that allows you to target specific areas. There is a cap on the nozzle you have to take off. You also have to open the bottle- it’s a foil cover you peel back. Then you point the nozzle at the mold and gently squeeze for the gel to come out. The only trick is not to “scrape” the gel with the tip while squeezing it out- otherwise it moves to the side of the grout and hollows out where you actually want it to go. It took some trial and error to master just having the tip hover above the grout line and not actually touch it, but when I got it, it was pretty easy!!! Then I went to town following all the horrid grout lines. And there were a lot. I’m talking subway tile. I did not have enough of the gel to do the whole thing, but holy cow! You can see where I didn’t put it!!!! I would tap the bottle upside down to make the gel move to the nozzle to make squeezing easier. I used the entire bottle. After I put the gel on, I let it sit for almost 5 hours. It was amazing. The mold was gone underneath the gel. I took a damp cloth and wiped it and the gel had the consistency of dried candle wax and just fell to the floor. I gathered it up and put it in a trash bag. Then I cleaned my shower and let it dry fully overnight. After the gel dries it still smells like chlorine, but after throwing it away there was no remaining smell. I am impressed!!! You can see the areas that I put the gel so clearly, it looks like new tile. Some tips: 1. dry the shower fully!!!!! If the mold is wet, it won’t work. 2. Don’t let it come in contact with clothes! I had a blob fall on my sweats and I rinsed it with water but it left a little bleached spot. 3. Wear eye gear and disposable gloves. The bottle will fart. 4. When I picked up the dried gel, I just held it in my hand and slipped off my glove inside out, trapping it in my glove and creating a little pocket for it to be easily put in a trash bag. 5. Even the gel can stain! I dropped a dried gel in my rug and it left a tiny bleach mark. 6. Be generous with the gel. The areas I didn’t put a lot or did thin lines had some mold spots that did not fully erase. 7. Let the gel sit for longer than you think. I had black slimy mold and I left it there for almost 5 hours. It’s gone!!!! 8. Trust me. Buy at least 2 bottles. You wont regret it. All in all I am so happy to find this product and am already buying more to finish the grout lines. 100% effective. Read more

★★★★★

Easy, Economical, and Effective

Jacob P.January 3, 2026

The caulk lining in our shower seemed to always end up with mold growing on it. I've tried before to clean it manually with some abrasive, but it often just leaves more grooves for mold to grow in. I've also tried some other cleaning solutions but they left a super strong odor due to them being spray. So, my previous solution to this whole mess was to rip up the caulk every 6-12 months and replace it - which is a pain in the butt! I found this product through an ad on Instagram and thought I would try it. Well, it worked out great! It is easy enough to just shake and lay it down on the affected area. Forget about it for a while, then come back and wipe it off. The mold went right with it, saving me from a few hours of painful cleaning. There was a slight smell to this since it does contain some amount of cleaning solution, but the form factor of gel really reduces it. Not to mention that it was under $15 when I bought it and it seems like I have a few uses worth in the bottle. It seems to be worth the price. Read more

★★★★☆

Effective on Tough Mold Stains, but Use with Care

KKDecember 29, 2025

This mold stain remover gel works well on stubborn mold and mildew, especially on grout, caulking, and other hard-to-clean areas. The gel consistency is a big advantage because it clings to vertical surfaces instead of running off, allowing it to sit and work as directed. After letting it dwell, I noticed a visible improvement with much less scrubbing compared to regular spray cleaners. It’s particularly effective in bathrooms and damp areas where mold tends to build up. The results aren’t always instant for very heavy staining, but with a second application, it significantly lightens or removes most problem spots. That said, the product has a strong chemical smell, so good ventilation and gloves are a must during use. It also requires some patience, as you need to let it sit long enough to see the best results. Overall, this is a solid and effective mold stain remover that delivers on performance, with minor drawbacks related to odor and handling precautions. Read more

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