Astolfo
03-14-2012, 09:09 PM
:mad:I am trying to calibrate my conductivity probe, but I can’t find the 3.9 mS/cm solution anywhere, in reasonable amounts. Any alternative, or ingenious way to do this?
and i need to get my aquarium water under control after moving.
thank you
and i need to get my aquarium water under control after moving.
thank you