Is 'blanket weed' treatment harmful?

Question

A week after using Algofin for blanketweed in the pond, all the sticklebacks died, some with a grey coating on them, and the smaller koi are beginning to stay at the surface:. the pond is properly pumped and filtered.Ive used the stated amount for the vol. of water

Answer 1

you should read the chemical content for that maybe its not for fish pond.

if your using tetra algofin

TetraPond AlgoFin  

HSE approved algaecide for blanketweed from Tetra.

Approved by the Health & Safety Executive (HSE 7695) - independentently proven to suppress blanketweed.

Directly suppresses blanketweed and other filamentous algae.

Harmless to fish, plants and wildlife.

Easy-to-use.



kOi keeper & goldfish keeper

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