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big problems

  1. General Reef Discussion
    I was hoping that sumone can help me. I have a 100 gal reef tank. I cant seem to get my levels up Mag is about 1260 cal is about 320 I have been useing compounds but this has only raised my DKH from around 8 to about 11.2 is this bad? Also i seem to be geting alot of hair algae growing my...