My internal airline skimmer as been running now solid for around 4/6 weeks tank is 8 weeks old, it takes out some right crap and smells like sewage too, but all seems fine so far, i have no sump or refugium, just external cannister not even done a water change yet or cleaned the filters, nothing, all water parameters are great , nitrates 10-ppm, go for it... _________ Hardware-55G Rena Md,Filstar XP3 Filter, 200w Heater, 1xSeio 2, 1xKoralia 2, Lee's Medium Skimmer, 8x39watt T5 Fish-Yellow Tang, Coral Beauty, Midas Blenny, Clown, Chalk Goby Inverts-Snails, Hermits, Black Long Spine Sea Urchin, Blue Linika StarFish, Cleaner Shrimp, Coral Banded Shrimp, Feather Duster, Green Bubble Tip Anemone, Coral's-Green/Purple/Hairy Mushroom's, Xenia, Button, Green, Yellow Polyps, Toadstool Leather,Finger Leather, Purple tip Frogspawn.  | 
