I really like this ph pen because all i do is calibrate it every 30 days and after every use i put a few drops of electrode sto...  Read More

I really like this ph pen because all i do is calibrate it every 30 days and after every use i put a few drops of electrode storage solution in the cap to keep it wet and it stays calibrated  Read Less

These are great ph meters that are even able to be calibrated

These are great ph meters that are even able to be calibrated  Read Less

I bought this ph pen for the first time in august of 2020 and last year in november of 2023 because i dropped it and cracked the electrode

I bought this ph pen for the first time in august of 2020 and last year in november of 2023 because i dropped it and cracked the electrode  Read Less

So i recently became the proud owner of a ph meter and let me tell you its been one heck of a wild ride into the acidic and alk...  Read More

So i recently became the proud owner of a ph meter and let me tell you its been one heck of a wild ride into the acidic and alkaline realms of liquid existence  Read Less

I know it’s low a cost ph pen but it gets the job done for me and i can’t remember the last time i had an issue with ph

I know it’s low a cost ph pen but it gets the job done for me and i can’t remember the last time i had an issue with ph  Read Less

And it is well worth the price

And it is well worth the price  Read Less

Got here super quickly works great

Got here super quickly works great  Read Less