I first used this product three years ago on my vinyl siding that had extensive mold buildup as the sun never hits certain areas of the house. I know the recommended ratio of water to MoldOff® is 3:1 but I diluted at a ratio of approximately 8:1 because I planned on using a large sponge to spread the MoldOff® on the siding. Plus, to be honest, I was hoping to have the gallon of MoldOff® last for the entire job (I actually used about ½ gallon). I did not use much pressure on the sponge, just enough to lightly scrub the siding. I would do a section, say 4 feet by 8 feet and then rinse with a hose. All of the mold was removed, the siding looked like new and 3 years later I have had no return of mold where I used MoldOff®.

My neighbor pressure washed his house at the same time, using just water, and it did remove the mold but the siding still had a dingy look to it. However, the next year his pressure washed siding again had mold.

Recently I used MoldOff® on some cement sidewalks that had the green tinged mold on it. In the past I pressure washed the concrete, which did remove the mold, but it was returning every year. Plus, the power washing took a substantial amount of time and water. For the concrete I used a solution of approximately 6:1 and liberally applied it with a long handled scrub brush. I let it sit for about 5 minutes and washed it off with a hose, just using house pressure. All the mold was removed and the concrete looks better than the concrete that had no mold.

I highly recommend MoldOff®. I get the concentrate as I can dilute it as I see fit. If you compare the price to some of the products out there it might seem a little expensive, but remember, you are diluting it as you see fit and it DEFINITELY works.

Walter M. from Pemberton, New Jersey


MoldOff® is a powerful, effective and eco-friendly mold removal spray. Effortlessly removes mold and mildew from dozens of surfaces. Formulated for the marine industry, & unsurpassed for mildew control, it removes those hard to get rid of stains – without scrubbing.

Discovered by a physicist with numerous patents in the fields of biology and chemistry, MoldOff® is the only available mildew stain remover for the marine industry that does not contain chlorine or bleach. The result is a product that is both highly effective and environmentally friendly.

Shop Now

Recent Posts

Testimonials

I bought a gallon bottle of your concentrate for use around our lake house. I was amazed at the effectiveness of the product. I had a bad mold situation on our pontoon boat carpeting. I soaked the carpet and let it dry. Once dry I used a stiff bristle brush to loosen up the residue and then vacuumed up the loose residue. The carpeting stayed mold free for over a year. I also used your product on some green mold on vinyl siding on the north side of our house. I just sprayed it on with a pump style garden sprayer and let it sit. I had to do nothing else. The green mold disappeared. That was 2 years ago and it is about time for me to do it again. I have found that your product also works extremely well on our wooden deck and surrounding cement pavers. I want to thank you for developing such a great product.

- D. Santucci