Wet & Forget Outdoor Moss, Mold, Mildew, and Algae Stain Remover Spray, 64 oz
Wet & Forget Outdoor Moss, Mold, Mildew, and Algae Stain Remover Spray, 64 oz
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Wet & Forget

Wet & Forget Outdoor Moss, Mold, Mildew, and Algae Stain Remover Spray, 64 oz

4 stars out of 954 reviews
(4.0)|
954 ratings
Wet & Forget Outdoor Moss, Mold, Mildew, and Algae Stain Remover Spray, 64 ozWet Forget Liquid Outdoor Surface Cleaner Ready to Use Moss Mold Mildew Algae Stain Remover Unscented4 pack Wet Forget Liquid Outdoor Surface Cleaner Ready to Use Moss Mold Mildew Algae Stain Remover Unscented2 pack Wet Forget Liquid Outdoor Surface Cleaner Ready to Use Moss Mold Mildew Algae Stain Remover Unscented
Pack Size:Single

Key item features

  • Effortless Cleaning: This stain remover simplifies outdoor surface cleaning, effectively tackling moss, mold, mildew, and algae stains.
  • Convenient Application: The product features a ready-to-use formula with an integrated trigger sprayer for easy application.
  • Gentle Formula: Its bleach-free and non-acidic composition ensures safe use on a wide range of outdoor surfaces without causing harm.
  • Automatic Action: Simply spray and let the wind and rain naturally clean the surface over time, eliminating the need for scrubbing or rinsing.
  • Versatile Use: Ideal for various outdoor areas including porch steps, fountains, concrete, landscape stones, and fabric patio umbrellas.
  • Long-Lasting Clean: The formula effectively cleans surfaces, helping them stay cleaner for extended periods.
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was $27.67
23.8 ¢/fl oz
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Customer ratings & reviews

4 out of 5 stars
stars954 ratings441 reviews
How item rating is calculated
  1. 5 stars62% (596)
  2. 4 stars9% (86)
  3. 3 stars7% (67)
  4. 2 stars5% (47)
  5. 1 star17% (158)

Reviews summary

Pros
  • : Cleans dirty and green surfaces without harming vegetation.
  • : Removes algae, mold, and moss from roof surfaces.
  • : Effective on various types of fences and surfaces.
  • : Offers a reasonable cost for the product.
Neutral
  • : Effective on some surfaces, but struggles with severe cases.
  • : Effective on some surfaces, but inconsistent on others.
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Showing 1-3 of 441 reviews

Sep 28, 2025
Kayk
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Workout horse. Will buy again!

The spray was easy to use! I cleaned my carport after 18 years! The instructions were easy to understand. It cleaned away dirt, mold %26 algea quite easily. Since it was so ground in in areas of not cleaning for so long, it require some elbow work- outs. Mainly, the spray melted the dirty carport very well. Didn't see a stain.

Helpful?11LJBKK6M6AW50819822
Sep 8, 2025
John
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

This stuff works

This is easy to use. I have a white house with vinyl siding that will grow black mold. I have used bleach based products and it lasts about a year before the mold starts to return. The wet and forget lasts years. And without the bleach it does not harm your plants. It does take it a few months before it really takes effect but it does work. You just have to be a little patient.

Helpful?11LJBKK6M6AW50819822
Oct 12, 2025
Emma
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Surprised that this product works on Crabgrass!

Works great on green algae on my porch. I had some left over so I spritzed a few weeds. To my surprise, it worked surprisingly great on crabgrass! I know this not its intended use, but it works for those pesky weeds in cracks. I don't like using herbicides, so I was pleasantly pleased.

Helpful?11LJBKK6M6AW50819822