Quote:
Originally Posted by Aquattro
Let's expand on this. What is "very low" and what would the problem be? Mine is about 1150ppm and I don't really see any problems. Looks like a lot of work to chase a number without understanding the problem.
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IME low mag = unstable Calcium & Alkalinity. Magnesium helps allow for supersaturation of calcium carbonate so the lower the mag the lower saturation level. My understanding is anything under 1200 ppm is low but then again if you're happy with your current Ca and Alk levels then Mag is likely fine at whatever it is even if lower than 1200ppm. However higher mag levels should result in higher efficiency from a Ca reactor and perhaps better growth as well, whether or not this would be noticeable though....
