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  1. General Reef Discussion
    I was chatting with one of the lfs guys. He is a real minimalist, doesnt even run skimmers on the tank, much less reactors and whatnot. Anyways he was asking me what kind of calcium in in natural seawater. I was like, duh, I don't know. He said Calcium Chloride (makes sense to me!) and then he...
  2. General Reef Discussion
    i need to get my dKH down. higher than preferred. 13-14. Uneducatively added calcium supplements at first because my calcium levels were reading way low, but then with research i realized my carbonate alkalinity was capping my calcium levels. does that sound right? so my calcium additives were...
  3. General Reef Discussion
    I have a 72 gallon bowfront that has been up for 18 months. I am having serious issues with calcium, alkalinity and pH. I am trying to make the transition to keeping anenomes and corals. The tank has been doing well for over a year now as a fowlr tank. I do frequent water changes, about 15...
  4. General Reef Discussion
    Hi, i'm in BC canada and have aquired a mineral claim that is full of the coolest looking tufa. for the last few years i've been selling it as landscape rock. Now i see there might be a market here... If you guy's don't mind tell me what you think might help me find this market. any question...
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