You have you answer. The only thing that changed was nitrates and phosphates than I recommend raising nitrates and phosphates. Nitrates 10-20 and phosphates 0.1. There's are ways to increase both from feeding a little more or dosing both nitrates and phosphates. To do either properly you need to have test kits. Api is not a reliable test kit.This is what it looked like back in August when Nitrate was 13 now it’s 5




