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 removes submerged blanket weed and string algae in ponds throughout the year, including winter. Effective at all temperatures, it helps keep blanket weed under control during the colder months. 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.