Evolution Aqua Cleartech Stop Blanketweed 1kg. Effective in eradicating Blanketweed. Safe for fish and plants in pond water. 1kg for Ponds up to 10000 Litres (2200 Gallons). The product shouldNOT be used when frogs or toads arespawning, nor should it be used in a wildlife pond due to the lack of water circulation and lower oxygen levels.
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