okay... my nitrates have been hanging around the 20 to 30 mark. so i got real aggressive with the water changes. for example, in the last 3 days, i've changed 15 gallons twice, after doing 15 last week . nitrares read the same as before the changes. i have a 55 gal., skimmer,2 powerheads,30 or so lbs of live rock, 2 inches (+ _ ) of sand, 2 damsels, one clown, one tang. handful of snails and 3 or 4 hermits. coraline growing great, no real problem at all with algae or diatom. what gives? i thought that an almost 100 % change within a week would make some sort of significant change! also, if i let it go for a week or two, with no changes, they are not much higher! is my kit just orange/yellow dye?!!:wall: