Quote:
Originally posted by aquarius77
So how does the magnesium get replaced from an alk / cal supplement like Kalk? How does a calcium reactor supply mag?
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There has to be mag in alk/ca supplements or in ca reator effluent. Because once my tank levels are in line. As long as I make sure that my water change SW is at the correct mag levels. I never ever had to add mag supplemention to my tank. And I had a very high load of SPS corals.