Envii Algae Klear Xtra Blanket weed Treatment for Ponds, Removes & String Algae, Safe all Fish 5L Treats 100,000 litres

Blanket Weed Remover – Algae Klear Xtra safely removes submerged blanket weed and string algae in all ponds. Fast Acting Treatment – Specifically designed to target and kill all submerged algae effectively within 3 weeks of the first treatment. Helps Prevent New Algae – Due to our unique UV light filter, this will help supress the growth of new blanket weed and algae at any temperature. Safe for All Fish – Algae Klear Xtra is completely safe for all fish, wildlife & plants whilst encouraging the overall health of your pond. Treatments – A 500ml bottle is enough to treat 10,000 litres. We also have a 1L bottle which treats 20,000L & 5L treats 100,000L.