Thanks Mike, Eric, & Mr. Snoid, I started straining the frozen food this morning. Bob I'll see if I can hold off on the cyno cure and keep doing what I am doing, (but I'll keep your offer in the back of my head). I think this problem was attributed to my Skimmer not working properly for the first 12 wks, (my fault of course), I probably built up alot of undissolved food and such, (even though my nitrates are low).