Shipping ph probes

I was shipped one with RO water in a zip lock with wet paper towels to hold in the moisture and it is still working 3 years later... I think they just need to stay wet/damp.
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%
Back
Top