Quote:
Originally Posted by mikellini
Not sure what that has to do with magnesium.
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Sorry, I thought it was obvious. The point is, that until recently, Mg was not a factor. You couldn't buy it, there were no test kits for it. But we all had nice tanks and no problems keeping Ca and alk levels constant. We didn't have abiotic build up of anything, just SPS that grew fine. Just like now.
Jump forward to today, I see no difference in my tank with Mg @ 1250ppm vs last year when it was 1050ppm.
So, not saying it's good or bad, just saying that it might be over-rated.