I use this one and randomly compare to a drop testerwhat's a good ph pen tester y'all use?? the one I have doesn't want to calibrate properly....
I did see this one was thinking about itI use this one and randomly compare to a drop tester
I use an apera pH 60 model and I really like it it has replacement probs and it takes normal AAA batteries it isn't inexpensive but it isn't expensive. So far I'm pleased. Got it off the ol Amazon if your interested in looking at it.what's a good ph pen tester y'all use?? the one I have doesn't want to calibrate properly....
https://www.amazon.com/Apera-Instruments-AI311-Replaceable-2-00-16-00/dp/B01ENFOIQE/ref=sr_1_3?dchild=1&keywords=apera+pH60&qid=1596675476&sr=8-3 ??I use an apera pH 60 model and I really like it it has replacement probs and it takes normal AAA batteries it isn't inexpensive but it isn't expensive. So far I'm pleased. Got it off the ol Amazon if your interested in looking at it.
I do have that kit too lol