Concentrate Outdoor Mould, Lichen & Algae Remover

Concentrate Outdoor Mould, Lichen & Algae Remover

Concentrate Outdoor Mould, Lichen & Algae Remover

Regular price £35.89 Sale price£32.20
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Effortless Cleaning. Long-Lasting Results.

Say goodbye to stubborn mould, lichen, and algae on your outdoor surfaces with Wet & Forget.  Designed for hassle-free application, Wet & Forget works over time to clean and protect your surfaces—no scrubbing, rinsing, or jet-washing required.

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1. Dilute 1 part Wet & Forget with 5 parts water.
2. Apply with a garden sprayer on a dry surface.
3. Leave it to work – no rinsing or scrubbing required!

Note: This is a guide only and strength may be increased if contamination is heavy. Please ensure you wear eye protection and rubber gloves when using this product.

Do not apply if rain is expected within 4-5 hours of using the product. Wet & Forget is best applied in overcast and dry conditions, to avoid evaporation. Keep away from treated surfaces until dry. Test spray a small area for colour change if spraying near dark powder coated aluminium & joinery.

• Astroturf
• Awnings
• Brick
• Cladding
• Concrete
• Conservatory roofs
• Caravans (protect any decals)
• Decking
• Driveways including block paving
• Head/Gravestones
• Indian sandstone
• Natural stone
• Outdoor furniture
• Paving
• Patios
• Plastic
• Rendered surfaces
• Roofs
• Sails
• Solar panels
• Wood

Easy to Apply

Just dilute, spray, and walk away. One 5L bottle covers up to 300m² and 2L up to 120m². Use our concentrated outdoor cleaner with a spray applicator for smaller surface areas and hard to reach surfaces. Ideal for almost all external surfaces making it perfect as a patio cleaner, block paving cleaner, Indian sandstone cleaner, solar panel cleaner and driveway cleaner. Plus, so much more!

No Scrub, No Rinse Formula

Simply spray your surface, put your feet up and let nature do the work. Rain and wind will gently clean your surfaces over time.

Long-Lasting Protection

Prevents regrowth, saving you time and effort in the future.

Powerful Yet Gentle

Effectively removes mould, lichen, algae and black spots without harsh chemicals or abrasive methods.

The results speak for themselves

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Customer Reviews

Based on 208 reviews
77%
(160)
8%
(17)
4%
(8)
3%
(6)
8%
(17)
B
Barbara

Fabulous, my Indian stone looked like new in a matter of hours and after some rain 2 weeks later looks even better. We've used it on our block paved drive which is more suseptible to moss, lichen etc because of a big tree close by so we'll probably see the results over the coming weeks. Easy to mix, I used my watering can which meant it was easy to control where I wanted to treat/spray.

A
A.H.
2L
Slabs & gravestones.

So easy to use, and does the job well.

Thank you for taking the time to leave a review for Wet & Forget. We are thrilled to hear that it was easy to use and did a great job on your slabs and gravestones. We appreciate your feedback and look forward to continue providing effective products in future.

V
Valerie Cornish
10L
Amazing product

I no longer jet wash my patio and paths since being recommended to use Wet and Forget. I purchased a back pack spray to make life easy I find it also controls the distribution better having used a watering can in the past which can be a bit hit and miss. As if by magic this product works.

Thank you for your kind words and for recommending our product! We're thrilled to hear that Wet & Forget has made your patio and paths maintenance easier. Our back pack sprayer is definitely a game changer! It's great to know that our product has worked like magic for you. Happy spraying!

P
Patrick Carey
2L

Absolutely no effect as yet

Hi Patrick,

I'm sorry to hear you're disappointed. Please ensure you're following the instructions on the back of the bottle. Wet & Forget works gradually, and one week is too soon to expect visible results. Our non-bleach formula is designed to be gentle on surfaces and more environmentally friendly.

If you'd like any advice on application, feel free to reach out to us at sales@wetandforget.co.uk.

Kind regards,
James
Wet & Forget

S
Stephen Wise
2L
Not great

Was expecting better used on a large deck area at the weekend results were not that great sorry

Hi Stephen,

I'm sorry to hear you're disappointed. Please ensure you're following the instructions on the back of the bottle. Wet & Forget works gradually, and one week is too soon to expect visible results. Our non-bleach formula is designed to be gentle on surfaces and more environmentally friendly.

If you'd like any advice on application, feel free to reach out to us at sales@wetandforget.co.uk.

Kind regards,
James
Wet & Forget