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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I wouldn't use the word problem as much as I would say it could be holding you back in terms of growth. In my tank Mg is directly tied to the speed at which my clams grow new mantles and how quickly I see growth in most of my SPS.
Magnesium helps in the uptake of Calcium and alkalinity (like vitamin D in bones), or at least that's how I've always understood it.