20 oz of mag seems high in a 40 gallon tank. you only want to add enough that you don't raise your mag count more than 50 per day. IE from 1000 to 1050.
Go on the brs website, use the reefcalculator at the top of the page, it will tell you what they think you should does of their product.
to raise your mag 50 you need to does 5.4 oz
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tank 1 260 mixed reef, 3 ai hydra , Bubble magus curve 9
tank 2 300 gallon mixed reef. 3 evergrow It5080, skimmer bubble king
Last edited by carnut; 12-14-2012 at 12:51 AM.
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