Jul 22, 2021 #21 reefinnewb Active Member View Badges My Tank Thread Joined Nov 23, 2020 Messages 217 Reaction score 278 Location Macungie Rating - 0% 0 0 0 Always need to calibrate! I do my pH probe about once every 6-8 weeks as well. I'm in IT; I like accurate data.
Always need to calibrate! I do my pH probe about once every 6-8 weeks as well. I'm in IT; I like accurate data.
