It didnt come with it,but it is cheap insurance,i calibrate ince per month,,,,the solutions do have an expiration date...dont chance it,get new solution,its cheap insurance
What you are doing is reducing how long your probe will last. The probe Must be kept wet all the time!! We came out with KCL and it will help re hydrate your probe so if you leave it out stick it in KCL over night and it should help to re hydrate it. Cleaning is crucial too. If you dont clean it it will give y
mine only came with the KCL solution so had to order ph 7&4 before i could use it, but this meter stays calibrated well. I re-calibrate every couple weeks and it has only been off by .1 once
It didnt come with it,but it is cheap insurance,i calibrate ince per month,,,,the solutions do have an expiration date...dont chance it,get new solution,its cheap insurance
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