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Old 12/21/2007, 02:12 AM
Billybeau1 Billybeau1 is offline
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Join Date: Jul 2005
Location: Dyer, Indiana
Posts: 6,369
Not really, as long as you are doing regular water changes to replenish the basic stuff.

I test mag in my FO about once a month just to keep an eye on it. As long as it is between 1250 and 1350 ppm, I'm happy.