If i recall correctly, the consensus was: Yes, you can run a successful skimmerless SPS tank, so long as you remove/export nutrients yourself. This can be achieved by one or all of the following techniques:
1. Perform a 50% water change once a day.
2. reduce (or stop) feeding your fish.
3. Remove some (mostly all) of your fish.
The equation for success is simple: S = NO > NI
where:
S = Success
NO = Nutrients Out
NI = Nutrients In
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