Posted: 8/11/2009 from LAS VEGAS, NV UNITED STATES
Neo Mag is a great product. Popped it into my calcium reactor and have not had a problem keeping magnesium levels in my 150 gal reef w/over 100 corals for months. My tanks mag levels have not changed from 1250-1280ppm. Rock solid output. At this price there is no reason to consider another magnesium media. I would highly recommend the use of a mag test kit.
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