I'll have to check, but I think it was last fall's issue. I'm pretty sure
it said AlgaeFix. ~ jan

Volume 10, #3, page 71, 3rd full paragraph. Doesn't say Algaefix, says
algaecide, but when Algaefix first came on the market, I looked up its
chemical make up, and it sure looked like an algaecide to me. ~ jan

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(Do you know where your water quality is?)