Our In-Depth Review Of Wet and Forget 10587 for 2018


  • Highly effective even on stubborn stains
  • No power washing, scrubbing, or scraping required
  • Easy one-step application
  • Bleach free
  • Non-caustic and non-acidic
  • Can be used on virtually any outdoor surface
  • covers between 750 and 2250 square feet depending on the porosity of the surface
  • Eco-friendly by using natural rain and wind to take effect
  • Biodegradable
  • Almost natural pH balance (this product has a pH balance of 8, whereas pure water has a pH of 7 and most other products on the market have a pH of 10-13)
  • Unlimited shelf life


  • May require a second spray for full effect
  • May take a few months before a noticeable difference
  • Not great for those looking for instant results
  • As moss dies it will turn an ugly brown color for a short period of time before it falls off your surfaces and rain washes it away

Product Overview

Wet and Forget is a great stain remover solution for those who don’t want to spend day after day scrubbing mold, moss, mildew, and algae from their outdoor surfaces. To use this product, all you need to do is dilute Wet n Forget with water, spray it onto your roof, garage door, walkway, or virtually any other outdoor surface, and allow the formula to start taking effect on its own. The way this product works is by first immediately penetrating the stain to kill bacteria, and then it is reactivated every time that it rains—gently removing debris and preventing future growth.

This one step formula is highly convenient, especially in cases where you have stubborn stains in hard to reach places. For example, if you have mold growing on your roof that you would like to remove, other products may require you to scrub your shingles repeatedly. With Wet and Forget, on the other hand, you only must spray the product once or twice and it will provide cleaning power for up to a year. In addition, unlike many other DIY roof cleaning products that use harsh chemicals, Wet & Forget consists of an entirely beach free formula that is non-caustic and non-acidic. This allows the product to deeply penetrate stains while gently removing debris from your home’s surfaces without damaging them.

Compared to other products on the market, Wet and Forget offers a highly effective and convenient solution to removing unsightly stains. In our experience, this product works slowly but steadily and you may have to respray after a month or so if your stains are especially stubborn. However, for the homeowner who isn’t keen on the dirty job of scrubbing away mold and mildew, the benefits of this easy spray solution far outweigh the disadvantages. Overall Wet & Forget is one of the leading commercial product of its kind due to its innovative formula and long-working effects. Read on for our full review and see what other customers are saying.


Mold, moss, mildew, and lichens can be a homeowner’s worst nightmare, especially if they leave behind stubborn stains in inconvenient places. Nobody wants to spend day after day scrubbing their roof, pressure washing their patio, and avoiding their HOA at all costs. For those who are looking for a solution that requires a little less elbow grease, Wet & Forget offers a highly effective scrape and scrub free solution for your outdoor surfaces.

One of the greatest benefits of this product is how convenient and easy to use it is. True to its name, all you need to do to see this product take effect is wet it and forget it. The one step spray application eliminates the need for scrubbing and scraping, using wind and rain instead to reactivate the formula and fight off stains throughout the year. In addition to convenience, another major benefit of Wet n Forget is the quality of the formula itself.

Most other DIY garage moss/mildew/algae remover products contain harsh chemicals that are not only toxic to nearby landscaping, plants, and pets, but they could also damage your surfaces. Wet & Forget, on the other hand, is bleach-free, non-caustic, and non-acidic. This means that it can kill bacteria and remove growth without posing a threat to your outdoor surfaces or landscape when used properly.

This difference in quality is also evident in the pH balance of the formula, which is almost natural at a pH of 8 (water has a pH of 7), while most other comparable products have a pH of 10-13—increasing the chance of corrosion.

How to Use

To use this product, mix one part Wet and Forget Outdoor and 5 parts water. Using a garden sprayer, spray the diluted formula directly onto your troubled surfaces. This product can be used on virtually any outdoor surface from your roof to walkway, garage door, patio, and more. To get the best results, it is important that you apply the formula to a dry surface and allow it to saturate the stain completely. The best time to apply is either early in the morning or in the evening on a cool day when there is a low chance of rain. This is because you want the formula to be able to soak into the stain for at least four to five hours without evaporating or being washed away too quickly.

For Moss: Keep in mind, as moss dies it naturally turns brown—be aware of this and know the product is working! After a few days, you should notice the moss changing color and falling off your surfaces. Rain and wind will also help expedite this product, making your surface look clean again.

For Lichens: Lichens are a combination of algae and fungus that form a symbiotic relationship on your surfaces—making them tougher to get rid of. For the best results, try to completely saturate the problem area during the first spray, wait 15 minutes and then spray a second time. This will allow the product to better soak into the two layers of lichens to break them down.

In our experience and based on other Wet and Forget reviews, you may need to respray tough stains after a month to truly get the best results. Otherwise, this product will continue to work for up to a year as rain will reactive the formula to continue breaking down growth, cleaning away debris, and keeping future moss, mold, algae, and mildew at bay.


Overall, with a little bit of patience, this product can provide outstanding results for a lot less work and money than other methods. The convenient one-step spray application can save you from having to physically scare away unsightly growth or pay a professional a small fortune to do it for you. Unlike other products on the market, the delicate bleach-free nature of this formula allows you to use it even with landscape and plants nearby if you are using it effectively.

Plus, because the formula is non-caustic and non-acidic, it is much gentler on your surfaces, allowing it to remove debris without chipping away at your garage paint or causing corrosion on your shingles. Users of Wet and Forget have praised the product for its highly effective results than can truly transform your outdoor surfaces. Depending on the nature of your stains, it may take up to 3-6 months before you start noticing a visible difference, but although this product works slowly it can give you outstanding results with minimal effort required on your part.

This product can be used on a variety of surfaces, making it a great cleaner to have stored whenever you start noticing a stain forming. And with an unlimited shelf life, you can hold onto the product for as long as you’d like and use it to the last drop. One gallon of this product can cover between 750 and 2250 square feet, depending on the porosity of the surface you are using it on, providing an outstanding value and cost effective alternative to expensive professional stain removal. Depending on your needs and time constraints Wet and Forget could be the stain removal solution you’ve been searching for.

If you need overnight results, Wet and Forget probably isn’t the product for you. But if on the other hand, you want a product that is easy and convenient to use, doesn’t require the dirty task of scraping away mold and mildew, and that will provide great steady results over time, Wet and Forget is a great option. Considering both the pros and cons of this product, we give it an overall rating of 4/5 stars. If you’re ready to simply wet it and forget it, click to see current prices for Wet & Forget and give it a try today!

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A Cleaner Choice LLC

Main Location:

689 South Hillside Rd
Wappingers Falls, New York 12590
United States

Second Location:

382 Midland Ave
Rye, NY 10580


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