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Hola L.S....i'm in the market for a new Ph pen...aaaand i'm thinking of gettin a bluelab......can anyone recommend it over an Essentials ph pen?.........:pass:
My blue lab broke on me. I have found one that is much much better and you can replace the probe if you ever need to. And it is much less then the blue lab. Hanna is the brand name also much easier to ph in a gallon jug.

https://hannainst.com/hi98100-checker-plus-ph-tester.html
 
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