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No where to go, but up!
(thelemmy.club)
Share your self-made stuff and half-baked projects here.
Also check out !diy@beehaw.org
There is also a related XMPP chat.
If the normal treatments of flocculation and extra chlorine don't keep the algae under control you might need a phosphate remover.
Or train your children to not pee in the pool ๐