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Originally Posted by Reef Pilot

I used to have high nitrates and phospates, and after some reading and research decided to try a refugium. Had it stuffed full of chaeto, but hardly made a dent with my nitrates and phosphates. I later ditched it, and went to bio pellets and and GFO. My nitrates are now zero all the time, and phosphates near zero.

So, IMO, refugiums are over rated and not worth the extra effort, light and power to keep running, if your goal is to reduce high nitrates and phosphates.

You can say it! Refugiums are yet another marine tank gimmick.