Who Gives A Fish Forums

True that. My skimmer's rated for 100 gallons, but I've got it on a 90. Nitrates haven't been an issue since I dialed it in. Oh, and don't forget to clean your filter socks if you're using 'em.

Yep, timeon's got a point. I had the same issue in my 90 gallon. Cut back on pellets and switched to frozen, nitrates dropped in a month. Also, adding chaeto in the sump worked wonders for me.