Algizin P works fast to destroy blanketweed results can usually be seen within 1 week! Waterlife’s popular 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, lilies, marginals or other aquatic plants. Algizin P is also safe with fish and filtration Repeat use during the growing season every 4 to 6 weeks or when re-growth occurs.
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