I'll be second in line behind Huey, and Jay4Robin. Also I wouldn't keep Phosban in a canister filter. WAY too much flow. You may be actually be grinding away into the water column. Also sps crave stability. Alk at 2.5 - 3.0 over a short enough time frame can also be part of your problem. Your best course right now would be weekly water changes, and persitant testing until your water parameters stabilize.
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Why can't my wife see this stuff as an investment?
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