So I have what I believe to be Dinoflagellates in my 30g system. I started treating with Dr. Tim's Waste Away about 4 days ago so that's 2 treatments so far. I'm not running any UV and this came on with a NO3 of 64 and a PO4 of 0.06. since dosing Waste Away those numbers have come down to NO3 of 16 and a PO4 of 0.02, so be careful with that stuff if you go that way.