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The £4.50 game-changing trick to banish algae from fences in MINUTES – it gets green patios and decking looking new too

Published on April 18, 2025 at 08:55 AM

IF your fence is covered in stubborn algae, fear not, you’ve come to the right place.

With the finally here, if you’ve got plans to relax in your this , you’ll need to take notes to get your outside space in tip-top shape.

wooden plank covered by moss for texture background
Cleaning fans have shared a ‘game-changing' trick to banish algae from fences
Close up of before and after patio cleaning with high pressure water jet wash. Full frame - background with copy space.
Not only this, but it also works on patios and decking too
FABULOUS :.Wet & Forget Mould, Lichen & Algae Remover, Outdoor Cleaning Solution, Black Mould Remover, Bleach Free, 5 Litre - Gardening fans are racing to snap up a bargain that will remove stubborn algae from your fence in no time - and there's no scrubbing involved
Thanks to this ‘magic' buy, your outside spaces will sparkle in no time

Not only will this enable you to wave goodbye to nasty from your , but it’ll get ‘completely green’ and looking brand new too.

It turns out that fences are the perfect spot for algae to flourish, as they soak up rain and dew, creating an ideal environment for this .

has a particular affinity for moist and shaded areas, so if your is in a part of the garden that lacks sunlight, algae invasion is far more likely.

But luckily for you, fans of guru have divulged their favourite tips for banishing this unsightly green stuff from garden fences.

Posting on Mrs Hinch Gardening Tips, a public page with 532,500 members, a gardening enthusiast named Hayley Senior asked: “Any tips for getting rid of all the green algae type stuff on the fence and patio and ?

“I sprayed the fences black, so it looks worse this year!”;

Numerous cleaning solutions flooded in, but there was one product that was raved about by many – Wet & Forget.

One user said: “A product called ‘Wet and Forget’. Literally spray it on and in a day or two it’s like new! It can be used on any material. Works on wood and composite decking.”;

A second claimed: “Wet and Forget is game-changing! Our fences got green, we mixed up some Wet and Forget with the appropriate amount of water, and it was literally all gone in one hour. A container lasts ages.”;

Someone else wrote: “Wet and Forget, but needs to be above five degrees and no chance of rain.”;

Meanwhile, a fourth shared: “Wet and Forget is amazing, my fences were completely green. It removed all of it just by spraying it. You’ll need to dilute it with water and use a spray bottle. It also cleans your patio.”;

Not only this, but another chimed in: “Most users use Wet and Forget for their decking. I’m hearing it’s fab.”;

If you fancy giving this trick a try, you can buy Wet & Forget from B&Q or for £18 for a 2L bottle.

Although the large cleaning essential sells for £18, one use should cost you just £4.50 a time, as the liquid gets diluted.

To use this product, simply dilute one part Wet & Forget to five parts water in a garden pump sprayer.

Wet and Forget is game-changing! Our fences got green, we mixed up some Wet and Forget with the appropriate amount of water, and it was literally all gone in one hour

Facebook user

You can then thoroughly spray your surfaces, but make sure to avoid touching them for the next four to five hours.

With this , there’s no need for any scrubbing, as the solution will get rid of the algae on its own.

According to the product description, this “effectively removes contaminants with no water washing or scrubbing required, simply apply to the surface and forget about it.”;

The website read: “Let Wet & Forget do the hard work for you.

”Our formula has an unlimited shelf life and is completely free from aggressive chemicals such as bleach and ammonia that can damage surfaces.”

Not only does this product tackle grim algae, but you can also use it to banish and too.

The non-bleach formula is perfect for cleaning any outdoor surface such as roofs, bricks, natural stone pavers, headstones, patios, driveways, paintwork glass houses, solar panels, tarmac, artificial grass and more.

So if you want to make your patio sparkle like new, ”simply saturate desired surface with solution and wait for the product to work its magic.”

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