Mak,
Because someone doesn't have an sps tank doesn't mean they don't need desent water movement. Also if one can increase or change the flow to help increase flow to the lower flow area were they seem to group that would help. IMO the siphoning time would be better spent cleaning your skimmer and turkey basting rock that collects ditritus.Then do your water change while the ditritus is in the water column. If you siphoning them now, do you see a decrease in them or are they back to par when it's time to siphon again?
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Jamie Cross
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