calcium supplement

[ejrabekoff]

What is the best calium supplement? My calcium levels are very low, around 360, and as a result, I am not getting much coraline algae. I am not yet ready for a full-blown calcium reactor, although I will get 1 when my system eventually becomes a reef.

[bertoni]

A 2-part like B-Ionic is an easy way to get going, but it'll be expensive over the long haul for that size of a system. This article might help:

http://www.advancedaquarist.com/issues/feb2003/chem.htm

[reefworm]

I would agree that B-Ionic is easiest, but expensive. What I do is use the 2-part to "bump" the levels up to the target amount [around 400 ppm] and then use a kalk drip in my water top off to maintain levels.