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Let's talk beyond water removal---if you are growing lps or softie corals, too good a skimmer is going to take nutrients from them: remember that they are living filters, and if underfed, they will not do as well. Likewise fish like mandarins rely on copepods, which in turn rely on algaes. Your snails and crabs and other inverts make their living from waste. So yes, if you are doing sps corals, that require crystal-clear water, strong skimming is a good idea. If not, survey your inhabitants and figure what you will lose if you do that. Same goes for hyper-removal of phosphate through a gfo. A lot is bad for corals; too little is bad, too.
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Sk8r
Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low.
Current Tank Info: 105g AquaVim wedge, yellow tang, sailfin blenny,royal gramma, ocellaris clown pair, yellow watchman, 100 microceriths, 25 tiny hermits, a 4" conch, 1" nassarius, recovering from 2 year hiatus with daily water change of 10%.
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