Patio Magic 2.5L - £6.50 @ Wilko
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Patio Magic 2.5L - £6.50 @ Wilko

11
Found 9th Aug 2017
£2 off at the moment.

  • Kills and controls green mould and algae
  • No scrubbing or pressure washing required
  • Treats up to 85 square metres
Patio Magic 2.5 litre is ideal for use on all outdoor hard surfaces with no scrubbing or power washing required! It's easy to use, and you'll see visible results in just 2-4 days.

Warning:
Always read label. Keep children and pets away until treated area is dry. Contains 7.5% w/w Benzalkonium chloride. Harmful to aquatic organisms.

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11 Comments
Worth checking in Asda's sale of gardening stuff. I got one for £2.
damm paid over £15 last week for 5l of amazon. its working a treat after 3 applications even in this rain
Get a few bottles of cheap bleach and mix about half a bottle per full watering can. Kills moss and algae just as well for several months.
Edited by: "jon67" 9th Aug 2017
Sodium Hypochlorite available from any farm shop is great for patio's and Block Paving. 20l is normally around £15. Dilute it 50:50 and it will bring it up like new. Much cheaper.
used this on moss on my roof, did absoloutly nothing despite people on here raving about it.
Wilko's own brand 2.5L £5
£2 in Asda. I think it was the 1 litre bottle
The only way to clean a patio is with a pressure washer I'm afraid folks! (and possibly the high pressure air equivalent - not tried)

Expecting this to clean it is futile.
red237 h, 40 m ago

used this on moss on my roof, did absoloutly nothing despite people on …used this on moss on my roof, did absoloutly nothing despite people on here raving about it.


I did too and in a few days, the moss was dead and a few weeks of rain, largely gone. Sounds like you might have super hero strength moss. Maybe try a higher concentration.
Roger_Irrelevant9 h, 7 m ago

The only way to clean a patio is with a pressure washer I'm afraid folks! …The only way to clean a patio is with a pressure washer I'm afraid folks! (and possibly the high pressure air equivalent - not tried)Expecting this to clean it is futile.


Its best to use both to get the patio clean, treatment with this followed by pressure washing even clears black spot lichen after a couple of goes.

Most of these cleaners have the same active ingredient DIMETHYLBENZYL AMMONIUM CHLORIDE just at different concentrations (you can look them up on the HSE website here webcommunities.hse.gov.uk/con…180).

Patio Magic is 7.50% (0.75% to 1.5% after dilution for use depending on heavy or light recommended dilution rates) the other popular version Wet and Forget is 9.9% (1.66% after recommended dilution) and Wilko own brand is 6.25% (0.6% to 1.25%)
Edited by: "somerandomguy" 10th Aug 2017
somerandomguy10th Aug

Its best to use both to get the patio clean, treatment with this followed …Its best to use both to get the patio clean, treatment with this followed by pressure washing even clears black spot lichen after a couple of goes.Most of these cleaners have the same active ingredient DIMETHYLBENZYL AMMONIUM CHLORIDE just at different concentrations (you can look them up on the HSE website here http://webcommunities.hse.gov.uk/connect.ti/pesticides/view?objectId=10180).Patio Magic is 7.50% (0.75% to 1.5% after dilution for use depending on heavy or light recommended dilution rates) the other popular version Wet and Forget is 9.9% (1.66% after recommended dilution) and Wilko own brand is 6.25% (0.6% to 1.25%)


Exactly what i do late May and tends to hold off the weeds
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