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Remove the toughest mold stains on every job - effective on wood framing, tile & grout, brick, concrete, vinyl, and more. 

Crawl Space

Wood Framing

Painted Brick

Tennis Dome

Shower

Hurricane Shelter

Over 2,000 Happy Reviews

Sandra S.

Verified Buyer

The Superstratum system for dealing with mycotoxins is the best out there. The science behind it is solid! And customer service is amazing as well! As a medical practitioner and mold sensitive person, I recommend the products very highly!

Jonathan P.

Verified Buyer

The product is fantastic! It’s easy to apply and provides peace of mind knowing that future mold growth will be effectively prevented. Definitely recommend this product!

Ashley T.

Verified Buyer

Loved this! It gives me peace of mind for a healthier home

DOT Extra Strength Mold Stain Remover (32oz packet)
Designed for removing tough mold stains on any job.

Where to use it & why it matters

DOT Extra Strength Mold Stain Remover is highly effective on hard surfaces such as tile, grout, concrete, brick, and vinyl—making it suitable for bathrooms, gyms, saunas, hotels, and senior living facilities.

It’s ideal for treating mold stains in areas like crawlspaces, attics, basements, subflooring, and wood framing.

DOT powder offers a compact, easy-to-store solution that mixes quickly and applies easily with a pressurized sprayer. Its versatility makes it a reliable choice for tackling tough stains across a wide range of surfaces and environments.
Use DOT to prepare the surfaces for Superstratum Whole Home Detox treatments by removing biological debris that can interfere with remediation.

Eliminate Tough Mold Stains

Tackle tough stains across wide range of surfaces and environments.

Patented Dot Activator™

Award-winning chemistry, Dot Mold Stain Remover uses 4-times less chemical than competitor products.

Profissional-Grade Formula

Designed to comply with the stain removal step of the IICRC S520 guidelines.  

Hot Water Activation

Compact, easy-to-store solution that mixes quickly and applies easily with a pressurized sprayer.

⚠️ Important Notice:

Dot products are designed for professionals and to be used by people who are technically competent for the application described for the product. By purchasing this product, you are stating that the people who will use these products are technically competent in the relevant applications as described on the products, and willing and able to provide product R&D feedback.

Your questions, answered

Superstratum Shop

They’re big claims. 
We know.

Developed over two years with extensive third-party laboratory testing, Superstratum is proven to destroy the mycotoxins left behind by mold in your home. But don’t take our word for it. Study our groundbreaking white paper.

Read White Paper
  • Worked wonderfully on very stubborn grout lines in a shower!
  • 5 stars: 3 (60%)
  • 4 stars: 0 (0%)
  • 3 stars: 1 (20%)
  • 2 stars: 1 (20%)
  • 1 star: 0 (0%)
Some of the reviews shown are from related products the merchant grouped with this one.
3
3rin

Works okay

N
Nicole

Ok except it has a long hair hanging off the red sticker on the bottle. Kida gross

T
Tara H.

We used this on very stubborn grout lines in a shower. It worked wonderfully!

T
Tom D.

Great product and people. Highly recommend.

T
Tom D.

Great People and Product. Highly recommend.