Can u calibrate the PPM/TDS meter, with a 7,0 and a 4.1 PH calibration solution... Also any home made calibration solution,??? "Doesn't have to be precise but some what close in ppm... Any advice wolves grade, u...
No and not sure but probably not. Why not buy some? I am having issues finding solution for mine locally but get it online. A bottle last me forever. I put in a sealable container and test meter in that.
Can u calibrate the PPM/TDS meter, with a 7,0 and a 4.1 PH calibration solution... Also any home made calibration solution,??? "Doesn't have to be precise but some what close in ppm... Any advice wolves grade, u...