I have currently 4 plants in veg I am experiencing some issues with one plant and I want to much sure it's not my ph first 2 Pictures are ph with tap water and ph and ppm meter 3 and 4 pictures are ph with RO water and ph and ppm meter with RO water is this right both meters were just calibrated ? my ph first 2 Pictures are ph with tap water and ph and ppm meter 3 and 4 pictures are ph with RO water and ph and ppm meter with RO water is this right both meters were just calibrated ? Sent from my iPhone using Grasscity Forum
I would get a better ph pen . I had one like u pictured and it Was way off even with calibration ... Sent from my iPhone using Tapatalk