hi, 2weeks ago my ph went from 8.2 to 8.46 during day in my 125g.concerned alittle
someone here said try not to let it go above 8.4.today ,2 days after a 20%
waterchange my meter read 8.64.so i stuck the probe in my 32g ro container
and it was 8.68.then i stuck the probe in my 55g 8.25.which...