于 2004-01-26 21:06 How frequent you will add these supplment your reef tank? Since I don't have the tester all of these, how long should I add this to the tank? Also, I've heard over dosing would case problem, how should I decide the frequency of adding them? Thanks a lot!
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iodine, strontium, magnesium and trace elements - codylau , 2004-01-26 21:06