HSE approved algaecide for blanketweed.
To keep algae growth under control long-term
Use Biocides safely. Always read the label and product information before use.ApplicationAdd 50ml of AlgoFin for every 1000 litres (220 gallons) of pond water. Shake the bottle well before use. Add a half dose every 4 to 6 weeks for long-term suppression . Always read the instructions carefully before use.Can be used in combination with Tetra Pond PhosphateMinus.