Jan 31, 2020 #1 R Rico420710 420 Member I have a 2gallon dwc bucket, my question is how can you tell if your nutes aren't changing the color of my ph test indicator wide spectrum is at 5.0) but my cheap. Digital ph tester says 6.8 help
I have a 2gallon dwc bucket, my question is how can you tell if your nutes aren't changing the color of my ph test indicator wide spectrum is at 5.0) but my cheap. Digital ph tester says 6.8 help
Jan 31, 2020 #2 Chris Scorpio Well-Known Member Member of the Month July 2018 Get pH test solution Or use white vinegar which has a ph of 2.4