tightpockt
Well-Known Member
Just a friendly reminder to calibrate your PH meters, do it to your EC meters too while you're at it. I had been slacking with keeping up on my equipment, just calibrated and was off by .6
A $10 bottle of calibrating solution should last a year or so if you do it once a month...don't be cheap
A $10 bottle of calibrating solution should last a year or so if you do it once a month...don't be cheap