Okay I am having problems with Nitrite 1.5 and Nitrates 20. Also my PH want really go over 8.0 Everything else is green. I have one mimic tang, royal gramma, 2 fire gobies, & Sand Sifter in a 36 gallon bow with 40lbs sand and about 25 rock. Two pumps MP10 Vortech and Tunze along with a fluval...