Waterlife Algizin P 250ml

Waterlife Algizin P kills blanket weed. This is a popular and highly acclaimed algicide which kills blanket weed FAST – results can usually be seen within 1 week ! It is blanketweed specific and will not harm oxygenating plants, lilies, marginals, or other aquatic plants. Repeat use during the growing season, every 4 to 6 weeks or when re-growth occurs. Safe for use with fish and harmless to filtration bacteria. Available in 250ml, 500ml, and 1 Litre bottles.