Limestone in tank

cbster

AC Members
Nov 16, 2003
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Freeburg, IL
I was reading on the internet that you should not use limestone in a planted tank. I have had it in my tank since day one and I was just wondering exactly what the limestone does and if I should take it out immediately?
 
It'll dissolve (slowly) into your tank, increasing your alkalinity and driving up your pH. If your not having a problem with it, I wouldn't worry about it.

Limestone is fine in a fish tank, especially if you want the additional alkalinity. If you don't, it may cause problems. If its causing problems, yank it.
 
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