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Thanksfluttermoth said:to the forum.
I've found the best 'cure' for green ponds is to add a UV light. That makes the algae clump up so your filter can catch it.
Shading the pond somehow, if it gets a lot of sun, can help too.
Thanks..DrRob said:There are also products based on straw that slowly decompose and release a chemical into the pond that kills algae.
Or just straw of course, but I can't remember off hand which type.
Oh, and welcome to the forum.