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					Originally Posted by BlueTang<3  How often are you doing water changes?  I would do something different either supplement levels or change salt brands. I personally never cared for instant ocean in my reefs but more my opinion lots use it with great success. But you will want to aim for 7-12 kh 390-430 ca and 1300 mg if you can keep your levels around there you'll save/ prevent future problems. Raise them up slowly to not shock anything. | 
	
 I do 5g water changes once a week. I think I will toss the rest of this salt and buy H2Ocean then. I don't want to have to supplement my levels. Off to J&L tomorrow I guess.