My water is about 140 ppm @ 7.5 pH coming out of the tap, so I add enough Calcium to bring it up to 300 ppm then adj nutes for approx 1000 ppm/5.5 - 5.9 pH. When rooting and early veg, they seem to do better on the acidic end around 5.3 to 5.5 pH then around 5.5 to 5.8 pH for bloom...
monty5309 Reviewed by monty5309 on . tap water ppm q's hey folks ppm q's for ya . been at this a lil while w/o probs. but i'm curious , our tap wtr is 80 ppm. if i mix my nutes to be lets say 1000ppm. should i make it 1080ppm. because of ppm. of plain tap water ?:confused: thanx in advance n peace :thumbsup: Rating: 5