Ill_Evan Posted January 2, 2021 Share Posted January 2, 2021 11 hours ago, BigBud said: I wanted to get the HM P200 due to the electrode being swapable. The following seem to be a good deal that includes a ec meter. You'll never need to swap out your electrode. My PH80 is going two years now and still accurate as ever. I bought a spare thinking I'd need to replace the other one soon but it's still going strong. I use the spare just to double check every few months to make sure the original is still good. 1 Quote Link to comment Share on other sites More sharing options...
PsyCLown Posted January 2, 2021 Share Posted January 2, 2021 Take care of your probe and it should last.Rinse it off after use, use the storage fluid to keep the sponge damp and always close the cap after use. Sent from my Redmi Note 7 Pro using Tapatalk 1 Quote Link to comment Share on other sites More sharing options...
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