My tank would drop 2 dkh in a day if I did not have kalk in my ATO. I need to add alk once a week to keep it from dropping below 8 dkh. My ca and mag stay stable.
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Current Tank Info: Past reef tanks: 20H softy, 29G mixed reef, 55G mixed reef, 40B sps dominant mixed reef and 75G sps dominant mixed reef. No tank currently
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