I started a 10 gal mini reef aquarium about 3 months ago. It has an abundance of live rock and has cycled well. I've tested the water every week, and for the past month, have had steady readings as follows, PH 8.6, Alk high, NH 3&4 0, No2 0, No3 2.5ppm, CA 480, PO4 .5ppm. Salinity is 1.025 @ 77...