Unfortunately, this deal is no longer available
Wet & Forget Mould Lichen and Algae Remover 5 litre
106° Expired

Wet & Forget Mould Lichen and Algae Remover 5 litre

£17.98£28.4137%Costco Deals
15
Posted 20th Feb

This deal is expired. Here are some options that might interest you:

Deal at Costco warehouses from 17th Feb until 8th March.
5 litres concentrate makes 30 litres.
Cleans any exterior surface safely.
Over £28 from amazon!

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15 Comments
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deleted514617
It's not £28.41 normal price without offer is 22.78
Thanks anyway
Absolutely superb product . Used it on flagstones , rendered walls , wooden fences .... cleaned everything really well, and a few months on , still very clean.
deleted51461720/02/2020 15:45

It's not £28.41 normal price without offer is 22.78Thanks anyway


?? This is £28 on Amazon. So this is a good deal.
Anything similar for a better price.
Garts7620/02/2020 15:51

?? This is £28 on Amazon. So this is a good deal.


Not saying its not good deal but they never £28.41 and not 37% off,
ehsangreat20/02/2020 15:56

Not saying its not good deal but they never £28.41 and not 37% off,


This is great stuff. Used on patio and fence, quick spray, bit of rain and all the green is gone.
It's just a Benzalkonium Chloride, you can get a more concentrated version on eBay by searching BAC50
Just buy the BAC and make your own mix.
What mix would you do if you purchased bac50 ????
gazdoubleu20/02/2020 16:41

It's just a Benzalkonium Chloride, you can get a more concentrated version …It's just a Benzalkonium Chloride, you can get a more concentrated version on eBay by searching BAC50


Very interesting thank you, any hints ?
fingermouse20/02/2020 17:08

What mix would you do if you purchased bac50 ????


For 100ml of BAC50

Water to add (ml) = (50/Required percentage) - 100 A lot of commercial patio cleaners are about 7% solution.

So to convert BAC50 to 7% solution =

50/0.07 =714ml - 100 = 614ml of added water.

Scale it up eg 500ml of BAC50 needs (614×5) = approx 3 litres of water adding

1 litre = 614×10 (just over 6 litres at that 7% dilution.

job-prices.co.uk/best-moss-killer/
Edited by: "gazdoubleu" 20th Feb
White painted external walls do you think BAC50 diluted would get rid of green colouring from nearby trees?? Many Thanks!!
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