The Planted Tank Forum - View Single Post - Best way to add calcium?
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post #5 of (permalink) Old 12-30-2012, 02:28 AM
Planted Member
Join Date: Nov 2010
Location: Portland, Me.
Posts: 255
You can buy various calcium boosters for reef tanks. I use Seachem, but it may raise your pH:

You could also try kalkwasser:
Sluggo is offline  
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