Instead of just saying digital meters are junk, I’ll explain why.

pH probes have 2 electrodes, a glass measuring electrode and a reference electrode. The reference electrode has potassium chloride (neutral pH of 7) inside and has a specific amount of hydrogen ions. The glass electrode works by measuring the difference in pH between the…

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This is the way to do it, but there is no need to shake out any Dots if you want to go with your idea.

Everyone on the team is fairly active here. Some of us more than others. The Dude and Scotty spend most of their time building the shows. We’re a great team and everyone has their roles. That’s why you’ll mainly see me answering questions here because it’s always been my job to manage the community and make sure correct info is being shared.…

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I’ve used a bunch of different meters over the years and have come to one conclusion. Trash. When a bunch of replacement Bluelab Guardian probes were bad brand new, I threw it all away. They’ll lie (even after calibration) after about 6 months to a year. Test drops have never failed me. Thankfully I’ve always had them to test against digital meters.