kills blanket weed
HSE registered algicide. No. 8052.
Safe with fish, plants & filtration bacteria
For use in garden ponds
250ml - treats up to 18,000 litres
500ml – treats up to 36,000 litres
1 litre – treats up to 72,000 litres
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These calculations are based on regular square or rectangular shaped aquariums or ponds only. Please allow for water displaced by gravel, rocks, slopes, shelves etc.