i agree if it handles the bubble traps and makes it through the return pump let it pass to the tank. this works well for me since i am circulating pods to my ever hungry mandarins from the refugium. as far as turning off the skimmer i dont. i try to target feed and then let the rest circulate.
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50 gallon reef tank. coralife 36 in 96w 10,000 k/96w actinic/ lunar lights, 40lr, 4inches ls, RemoraAquaC skimmer, closed loop flow, refugium, oscellaris clown, bluegreen reef chromis, green mandarin,turbo snails/reef crabs, sand sifting stars, corals: blue striped mushrooms, toadstool mushroom,yellowgreen cup, purple gorgonian, greenblue pipe organ, favites brain, torch, frogspawn, sebae anemone.
Zissou | 
What filter substrate in Reef/Refugium 
