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Old 04-01-2009, 04:14 PM
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Running Ca that high can also lead to calcification on the impellers of your pumps. (first symptom is that they won't come back on once turned off).

I also agree with the sand clumping. You can also have "snowstorm event" where the Ca literally drops out of solution turning the tank milky. This event isn't as serious as it sounds.

The snowstorm is triggered by high Ca combined with high pH. The calcification in the pumps is caused by the localized heat that the pump produces.

Anyway...as suggested...water change.
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400 gal reef. Established April, 2007. 3 Sequence Dart, RM12-4 skimmer, 2 x OM4Ways, Yellow Tang, Maroon Clown (pair), Blonde Naso Tang, Vlamingi Tang, Foxface Rabbit, Unicorn Tang, 2 Pakistani Butterflies and a few coral gobies

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Old 04-02-2009, 04:59 AM
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If your using Seachem reef salt thats a very typical reading for Ca
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Old 04-02-2009, 06:12 AM
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aside from that it also causes your corals to exert more energy to grow if the Ca is to high, which results in slower coral growth.

Steve
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