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Molly alkalinity buffer

Subject: Molly alkalinity buffer
by notsignificant on 19/1/2012 18:01:54

I have 14 juvenile balloon mollies with their mother(they are old enough to not get terrorized by her)in a temporary 20gal. tank. I am moving them to a new 40gal. setup and I need a new alkalinity buffer since I am changing substrates from crushed coral to fluorite(for some java moss and vals). What would you guys recommend for a new buffer?