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- Feb 3, 2018
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So Ive been testing magnesium for almost a year using salifert. I would usually get between 1240 and 1300. When it would dip around 1240 I would add about 100 ml of BRS magnesium to supplement and the magnesium would be noral for a month or so. For some reason, the last 2 months, my magnesium has been reading chronically low like around 1150 to 1200 and ive been supplementing 100 ml of magnesium every 2 weeks. I did switch to 2 part dosing a few months ago and have good coralline growth but magnesium usually shouldn't always be this low chronically right? I do 15 percent water changes every 2 weeks. Any thoughts?