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Pulled that expanded aluminum/ceramic block...
because of ghosty problems. Now in a program of massive water changes and system maintenance, and a Polyfilter is indeed picking up a stain of aluminum in the water. The thing is old. It may also have had a manufacturing flaw, since many have these with no problem. My suggestion is, if you have one and have had some ghosty problems, run Polyfilter, just to see.
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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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