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I jet washed my patio but it still looked dirty – luckily gardening gurus shared a 55p hack with ‘no scrubbing involved’

Published on May 11, 2025 at 10:04 AM

IS your patio covered in stubborn black spots that just won’t shift?

And have you on a posh , but have had no success?

Pressure washer wand on a dirty patio.
If your patio is covered in black spots, we’ve got just the thing for you
Dirty patio slabs with mold and a puddle of water.
Cleaning gurus are raving about a cheap hack that will get your patio sparkling – and you won’t need to scrub
Person examining a blue cleaning product bottle in a store.
Numerous users suggested using cheap supermarket bleach

Well, with officially in full swing and the heating up, if you’re on a mission to give your a glow up, you’ve come to the right place.

One user was left scratching his head when he his , only for it to still be a total state.

As a result, the man took to , desperate for advice on how to get his sparkling.

Posting on , on the r/GardeningUK thread, the man, who posts under the username @Jimi-K-101, shared snaps of his grubby .

Alongside this, he wrote: “Concrete patio slabs still look like this after thoroughly power washing.

“Would a liquid patio help, or do I just need a more powerful power washer?”;;

Luckily for this man, numerous quickly flocked to the comments, eager to share their on how to transform a grubby patio – and not only is it , but there’s no scrubbing involved.

One user suggested: “Try Patio Magic – dilute and spray on when dry and then let the sunlight do the rest – it’s about £10 from /B&Q. It really does work.”;;

A second recommended: “Use a mixture of and Borax. It will look brand new and will not hurt any vegetation in the area. Plus? Will repel any or what not naturally.”;;

Whilst someone else advised: “Maybe scrub down with a stiff brush first.”;;

Despite numerous very effective tips and tricks, at the same time, many users suggested using to ensure a looks super fresh.

One person said: “I used bleach. Get the cheapest or stuff.

“Spread it quickly but do not scrub it in. Just pour it over the area. Leave it for an hour or two.

“Wash it off with a hose. Key point is not to scrub it.”;;

Another added: “Use cheap bleach, undiluted. Leave it on.”;;

I used bleach in the end...seems to have worked well

Reddit user

A third commented: “Scrubbed mine with a brush and bleach water solution. Can’t say if that’s the best way to do things but it worked pretty good.”;;

Following the overwhelming advice to use bleach, the user later explained: “Thanks for replying. I used bleach in the end...seems to have worked well.”;;

If you fancy giving this trick a try, you’ll find bleach from as little as 55p from .

What do the experts say?

According to the pros, bleach is a powerful, , and quick way to kill , , and lichen and many have recognised that it works fast on .

However, users should know that bleach can damage plants, erode grout, and harm certain paving materials like limestone.

While bleach is known to be particularly effective at lifting stains around the house, it can cause some issues when used excessively on patio tiles

Molly Woodward-Moor

Bleach also has strong fumes and can be bad for the environment and your .

Not only this, but Molly Woodward-Moor, creative director at Stone Superstore, exclusively told : “While bleach is known to be particularly effective at lifting stains around the , it can cause some issues when used excessively on patio tiles.

“Bleach is a harsh chemical that can damage natural stone tiles by slowly stripping the surface which can then permanently mark or weaken your tiles.

“And even through porcelain paving tiles are extremely durable, it’s still best to avoid using chemical cleaners containing ammonia, bleach or acids, that can slowly fade tile and grout colour.

As a result, you should always test a small area first and wear protective clothing when using it.

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