Unfortunately, this deal has expired 13 September 2022.
149° Expired
9 Posted 14 August 2022
Defenders Water Butt Treatment 500ml 50p Instore @Wilko Wood Green


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Showing at £10.50 online but reduced to just 50p instore.
Found in Wilko Wood Green, London
On Amazon for £9.96
Product Information: Water Butt Treatment from Defenders is a safe, non-toxic treatment to clean domestic water butts that collect rain and household water (baths, washing machines, sink, etc.) It uses natural technology and is safe to use in all garden situations. It treats up to 6500 litres of rainwater and household water, eliminating unpleasant smells. Following treatment it prevents green water and soap scum, keeping stored water free from algae and slime. This treated water is safe for watering garden plants, flowerbeds, and lawns. To treat rainwater in a standard 100 litres household water butt, dilute 25ml (three capfuls) in a clean watering can then pour into water butt; add a further 25ml weekly between March and October, fortnightly between November and February.

Found in Wilko Wood Green, London
On Amazon for £9.96
Product Information: Water Butt Treatment from Defenders is a safe, non-toxic treatment to clean domestic water butts that collect rain and household water (baths, washing machines, sink, etc.) It uses natural technology and is safe to use in all garden situations. It treats up to 6500 litres of rainwater and household water, eliminating unpleasant smells. Following treatment it prevents green water and soap scum, keeping stored water free from algae and slime. This treated water is safe for watering garden plants, flowerbeds, and lawns. To treat rainwater in a standard 100 litres household water butt, dilute 25ml (three capfuls) in a clean watering can then pour into water butt; add a further 25ml weekly between March and October, fortnightly between November and February.


Community Updates
9 Comments
sorted byShould be some good fertiliser at the bottom for the plants! (edited)
I'm sure bleach can be used safely in the right quantity to achieve the same effect as suggested on various sites about collecting & re-using your grey water.