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Old 08/09/2007, 08:00 PM   #49
Sk8r
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Join Date: Feb 2006
Location: Spokane WA
Posts: 33,796
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Mine used to swing 10 pts a day cal, alk pretty stable due to dosing buffer via topoff, and I still had good growth, good PE, not so great color. Well, rotten color. Ushio bulb, which is another issue.

Now with a kalk reactor, I'm staying right at 9.3 alk and 420 cal for weeks on end. I can say this supplementation works with a 54 g tank with small coral 'draw' on calcium. It remains to be seen how it holds up in conditions of more demand---also I don't know what the cutoff is between what kalk can do vs when you start needing a calcium reactor.

The swing didn't seem to hurt too much, however, just with acropora aculeus and particularly montipora species, and ac. valida. The bali slimer seemed to be a little less happy with it.


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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, chromis, royal gramma basslet, tailspot blenny, ocellaris clown, yellow watchman, chestnut turbo snails, bristleworms, couple of hermits.
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