Does Wet and Forget really work?

Author: Mrs. Dina Rice  |  Last update: Tuesday, June 17, 2025

I used Wet and Forget as directed and it worked its miracles, just as described on TV. At first, it looks pretty ugly if your moss is on cement because everything turns brown. But then the moss disappears - and it stays gone. I also used it on some rubber outdoor mats with similar results.

How long does it take for Wet and Forget to work?

For mild contaminations, results can be seen in days. For more stubborn infestations Wet & Forget can take approximately 2-3 months to see improvements. In very severe cases of contamination it may take 6-12 months to work.

What are the dangers of Wet and Forget?

Dangers of Wet and Forget

It may be dangerous if inhaled directly, even when it's diluted. This particular ingredient is not something to mess around with. It's extremely toxic, even though it is the reason the product has success. It is also important to be cautious when using this product on a windy day.

What happens if it doesn't rain after applying Wet and Forget?

Will Wet and Forget gradually work with heavy morning dew if it doesn't rain? Toni Nelson Huff Yes, Wet & Forget will gradually work with all moisture including snow. If you have heavy moss you may need some good direct rainfalls to fully clean up the surface and knock off the dead growths over time.

Does Wet and Forget damage paint?

Can I paint or stain outdoor surfaces after applying Wet & Forget Outdoor? Yes! Once the surface is growth-free it is ready for paint or stain. Apply the product on a cool, dry day.

Wet And Forget Best Cleaner Ever? Honest Review

Do you need to rinse off wet and forget?

Spring. Apply Wet & Forget Outdoor as soon as the weather warms to remove unsightly stains and growth that have been hiding in winter. Spring rain showers work with the product to clean dirty outdoor surfaces for you – no rinsing or scrubbing required!

Should I pressure wash before wet and forget?

It's not necessary to clean the surface before application. Apply Wet & Forget to a dry surface. Can I apply Wet & Forget with a hose end sprayer or a pressure washer? We recommend applying Wet & Forget with a pump-up garden sprayer, backpack sprayer or a low-pressure agricultural sprayer.

How long can you pressure wash after using Wet and Forget?

Thoroughly saturate the surface with Wet & Forget on a cool, dry day. Late in the day is best. Leave the growth to start decomposing for 2-3 weeks (the longer the better!) then prior to painting or staining, gently pressure wash the surface - growth, dirt and residue will come off faster and easier.

What is the main ingredient in Wet and Forget?

Lastly, the details: the active ingredient in Wet and Forget is alkyldimethylbenzyl ammonium chloride. Do YOU know what that is, how it works, what it's doing to our environment, or how quickly it degrades?

Does Wet and Forget need sun to work?

Surfaces that are treated with Wet & Forget need exposure to the sun and rain to properly clean the surface. We'd suggest rinsing down the cushions weekly to simulate rain one time per week until the cushions are clean.

Why is wet and forget being recalled?

Hazard: The hose end nozzle clip can dislodge and allow the cleaning solution to spray on users, posing a risk of skin and eye irritation and other injuries.

Can wet and forget damage plants?

Wet & Forget is non-systemic; therefore, if there is runoff into the garden beds, it will not be absorbed into the root system and will not damage plants at all. Wet & Forget won't affect plants unless you accidentally spray directly onto them, which can cause spot burning of the leaves.

What happens if you get wet and forget on your skin?

May cause skin irritation to sensitive individuals. Eye Effects May cause eye irritation. Skin Effects May cause skin irritation to sensitive individuals Inhalation May cause nose and throat irritation.

What is the problem with Wet and Forget?

Hazard: The hose end nozzle clip can dislodge and allow the cleaning solution to spray on users, posing a risk of skin and eye irritation and other injuries.

How to remove algae without scrubbing?

Determine how severe the algae or other biological growth is. For heavy soiling, dilute 2 parts water to 1 part GK Greener Kleener. For light to medium soiling dilute 3 parts water to 1 part GK Greener Kleener. Easily apply the formula to the affected area using a garden sprayer or a brush.

Does Wet and Forget clean gutters?

If reading about gutter sludge gives you the willies, Wet & Forget is here to help. Wet & Forget Xtreme Reach™ Hose End makes it easy to treat your gutters in a matter of minutes, all without your feet leaving the ground.

How can I speed up Wet and Forget?

You can re-apply another application 1 month after the first application to speed up the process. When is the best time to apply Wet & Forget Outdoor Ready-To-Use? Wet & Forget is best applied to a dry surface on a cool, windless day, when no rain is expected for 4-5 hours.

Is Wet and Forget the same as D2?

“D/2 Biological Solution is specially formulated to remove environmental pollution, dirt, and staining from biological soils such as mold, mildew, lichen, and algae from indoor and outdoor structures.” D/2 is available for purchase from far more locations in the United States than in Canada, hence the use of “Wet & ...

Is bleach better than Wet and Forget?

Using bleach frequently can quickly speed up the wear and tear on your outdoor surfaces. Furthermore, bleach can harm outdoor surfaces. On the pH scale, bleach ranks at a whopping 13, making it highly caustic. Wet & Forget has a pH of 8, making it nearly pH-neutral and safe to use on virtually any outdoor surface.

What precautions should be taken during wet and forget?

P264 - Wash hands thoroughly after handling. P270 - Do not eat, drink or smoke when using this product P280 - Wear protective gloves/protective clothing/eye protection/face protection. P303+361+353 - IF ON SKIN (or hair): Remove/take off immediately all contaminated clothing. Rinse skin with water/shower.

Does rain wash away wet and forget?

Wet & Forget Outdoor Timelines

In the case of green stains, rain should wash them away within a few weeks. So, an April application may be all you need for clean surfaces in May. Black stains can take up to a couple of months, though rainfall can speed up that process.

Does wet and forget get rid of black spots?

Wet & Forget mould remover is multi purpose and has many uses such as; patio slab cleaner, block paving cleaner, stone cleaner, driveway cleaner, headstone cleaner for gravestones, black spot remover on stone and lots more! DILUTION: Mix 1 part Wet & Forget to 5 parts water.

What time is too late to pressure wash?

In most cases, you should power wash your home at least annually between March and November. Power washing is a routine but essential home maintenance task that will protect outdoor surfaces and extend your property's life span.

Does Wet and Forget damage plants?

Wet & Forget is okay to use around plants provided certain protective steps are taken. When spraying the product near plants, make sure to either cover them with a tarpaulin (or something similar) or alternatively, wash the plants down with water before and after applying the product nearby.

What's the best way to apply wet & forget?

(1 part product to 5 parts water). Spray down your exterior surface with Wet & Forget. It's best to apply then no rain is in the forecast and when the temperature remains above freezing. Walk away, and you're done!