Okay - last water test was a week ago: nitrate=0, nitrite=0, ph=8.8, dkh=15, calcium=580, salinity=1.027
lights before=2 arctic T8, 1 sun T8
lights now=2 arctic T5, 2 sun T5
typical put in trace elements, strontium molybdenum, microvert, super buffer
using RO water now, before mixing our own...