white slime on airstone from C02 bubbling?
I've been getting a white slime building up on my white airstonee when I
have C02 bubbling through it...it's gets quite annoying since I have to
clean it every few days. What is this material? Is it harmless to the fish?
What stone does not react with the C02?---is the Rena micro fine bubbler
good for this?
Thanx!
Dave.
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