hotrodharley
Well-Known Member
Yep I’ve been there and done that. I have about 4 I have around and a couple that were trashed. Hence the litmus paper. It’s more than adequate for our purposes.most wont send you this with a new pen, if you put certain pens away dry that's it you need a new probe so make sure you get this or it will void warranty
https://www.itm.com/product/hanna-hi70300l-electrode-storage-solution?gclid=EAIaIQobChMImd-I_6ez4gIVxksNCh2K2Q5UEAYYASABEgJWcPD_BwE
that is just one brand they have solution for each brand/function.