I have a 60 FOWLR that has been up for 2 months had one clown fish in it for most of the 2 months, used water from a reef tank i had to start it. I skim with a reef octopus. Added a foxface almost a week ago. Untill about 2 1/2 ago my nitrates sat at around 0-5 but for the past 2 1/2 weeks...