CALIBRATED!!! Logging perfect data on the GHL ProfiLux 4

To ensure the GHL P4 is logging accurate data, the salinity, pH and Redox (ORP) probes must be calibrated. In this video, I walk through the various, and easy, steps required for getting the probes ready for use. - Recommended GHL setup video -    • Video   - Check me out on Instagram - @telegraham - Camera - iPhone 7+, Sony a6000 and Insta360 One X Mic - Blue Yeti - Music - AveoAudio - Upbeat Energetic Sport