What is the main ingredient in Wet and Forget?

Author: Cale Howell  |  Last update: Thursday, February 5, 2026

The active ingredient in Wet & Forget Outdoor is alkyl dimethyl benzyl ammonium chloride. This ingredient is present in many common household sprays and in anti-bacterial wipes.

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 is the chemical composition of 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?

What works like Wet and Forget?

Bio-Shield was tested and certified by two separate laboratories, Labtec and Hill Laboratories, in October 2014 to have the same active component as Wet and Forget.

How do you make Wet and Forget?

Mix Wet & Forget Outdoor Concentrate and water in a pump garden sprayer, in a 1 to 5 ratio. (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.

How To Mix Wet And Forget Outdoor Cleaner Concentrate - 1 part Wet & Forget to 5 parts water

What is the best homemade solution for cleaning vinyl siding?

If you're making your own cleaning solution, we recommend mixing: 70% water with 30% white vinegar for a gentle all-purpose cleaner.

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!

Why was Wet and Forget 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 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 can you not use Wet and Forget on?

Do not spray Wet & Forget directly onto plants. Protect landscaping from overspray by rinsing with water before and after application or covering them during application. I applied Wet & Forget to a concrete surface & it turned an orange-brown color.

How long does it take for Wet and Forget to show results?

How long will Wet & Forget Outdoor take to work? It depends on the type of growth and the intensity of the contamination. If it's a new growth or a small amount of staining you can see results within days. Otherwise, it may take 2-3 months to see improvement.

What is the main ingredient of Wet and Forget?

The active ingredient in Wet & Forget Outdoor is alkyl dimethyl benzyl ammonium chloride. This ingredient is present in many common household sprays and in anti-bacterial wipes. Wet & Forget Outdoor doesn't contain harsh chemicals such as bleach, ammonia, sodium hydroxide, lye, or trisodium phosphate.

What is the most effective mould killer?

Some of the more popular household cleaners and natural mould removers used to clean mould and mildew include:
  • Hydrogen Peroxide.
  • Vinegar – Pour undiluted white vinegar into a spray bottle and use it safely.
  • Baking soda.
  • Bleach.
  • Dettol.
  • Isopropyl alcohol.
  • Microfibre cloths.

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.

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 in your eyes?

H319 - Causes serious eye irritation. Warning GHS Signal Word: Potential Health Effects (Acute and Chronic): Causes eye burns.

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.

How long do I leave wet and forget on the shower?

Spray your shower down with Wet & Forget Shower after you use the shower. The next day, simply rinse the surfaces clean with water before showering. Do this once each week to keep your shower spotless. For best results leave on surface 8-12 hours (but no more than 24 hours).

How safe is Wet and Forget?

Will Wet & Forget Indoor harm pets and children? Keep children and pets away from treated area until completely dry, approximately 10-15 minutes. Once surface is dry it is safe for children and pets.

Who bought Wet and Forget?

Direct Capital invested into Wet & Forget Group in April 2024. Wet & Forget is a leading designer, manufacturer and marketer of outdoor and indoor household cleaning products.

How long does it take for Wet and Forget to start working?

If it is really light you will see results within days. Otherwise, it may take 2-3 months to see improvement. Your concrete may turn reddish brown when Wet & Forget Outdoor is applied. This is normal and shows you have a good reaction.

Can you use a watering can with Wet and Forget?

APPLICATION: Using either a Wet & Forget Sprayer or watering can, thoroughly saturate the dry surface to be treated with the Wet & Forget mixture (do not hose first) so that maximum benefit is achieved.

Does Wet and Forget damage shingles?

Wet & Forget's gentle, caustic formula is safe for all shingles and won't corrode your downspouts or harm your lawn with runoff.

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