O'3 really increases the skimmers efficiency and I use that over a U/V any day , More water comes into contact in the skimmer with the ozone then you can move through a U/V Not if its just yellow water add carbon to clear it up and if you use a refugium then Carbon s a 24/7 must have as the plants leech chlorophyll all the time. _________ Some of the world's greatest feats were accomplished by people not smart enough to know they were impossible (Doug Larson) |