Algizin P product is a true algicide (as opposed to an inhibitor), and as such it is registered with the HSE.
Algizin P is blanketweed specific, it will not harm oxygenating plants, lillies, marginals or other aquatic plants.
Algizin P is also safe with fish and filtration.
250ml (Treats 18,000 litres)
500ml (Treats 36,000 litres)
1000ml (Treats 72,000 litres)