So I recently got wiped out of my sps due to a crash so I figured Id take this time to.set up an ato with kalk. I have a 40 breeder. Only live stock left are many zoas, two small.chalice 2 small acan lords a small green plate 4 sps frags and a decent sized clam. I've been testing for 4 days and it seems my alk drops from 8.5ish to around 7.3-5each day(tested with hanna)My ato reserve holds 2 gallons. How much kalk should I add per gallon? I seem to evap about 1/2 gallon a day
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