Ph electrode storage solution

[Daddynobucks]

marketed by Genesis Instruments, mfg green air products

its Ph is 4.3 with my meter that was calibrated at Ph 7.0
guess I better dump my 7 and use this stuff

local hydroshop had it

Daddynobucks Reviewed by Daddynobucks on 03-07-2009. Ph electrode storage solution marketed by Genesis Instruments, mfg green air products its Ph is 4.3 with my meter that was calibrated at Ph 7.0 guess I better dump my 7 and use this stuff local hydroshop had it Rating: 5