Cloverleaf Blanket Answer 800g is an effective, long term blanket weed and string algae treatment. Cloverleaf Blanket Answer a blend of unique minerals and enzymes which work with natural bacteria cultures to break down and clump together blanket weed. The enzyme then prevents blanket weed from returning by removing an important food source for algae. One treatment should keep blanketweed away, however a secondary treatment may be required and is safe to all pond fish and plants. 800 g treats up to 10000 litres.
