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![]() I test before every water change (Ca, Mg, alk). I dose the water change to 440 ppm Ca, and 1320 ppm Mg, using IO salt (which tends to mix up with relatively high alk, mine is generally 11). I dose Tailored Aquatics products (Calcium Plus, Reef Magnesium) for Ca and Mg, and use a tiny bit of Arm and Hammer baking soda (to keep alk up) in between water changes. Since I do a water change every week (though I have occasionally gone 2) and I know how much my tank uses in a day, I directly dose the tank once daily for Ca and Mg (I dose a lot less Mg, unless I forget completely
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Calvin --- Planning a 29 gallon mixed reef... Last edited by BlueAbyss; 10-09-2009 at 08:00 PM. |