wow that means that I read 0.7 on the syringe so I only have 150ppm of calcium? It is new ro with io salt with no live stock just water and live rock. The calcium level on instant ocean salt is very low
If you're doing the low res, the 150 could be right (150x2=300ppm). I've found IO can be low, see here.
03-29-2008, 07:36 PM
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