Here's a video from Milwaukee Instruments that goes through the calibration process for this unit.
Features:
- 1 Point manual calibration
- Range is 0 - 14 pH. Resolution .1 pH.
- Includes protective cap
- Includes calibration screwdriver
- Batteries included
- Instructions included
Milwaukee Instruments PH600AQ Ph Tester With 1 Point Manual Calibration - $20.70 + Free Shipping with $25 order
You will need some calibration solution...
General Hydroponics Ph 7.0 Calibration Solution - $7.99 + Free Shipping with $25 order
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