Oakton pHTestr 20 - .01 pH Accuracy *ATC

Oakton pHTestr 20 -- .01 pH Ac

*ATC-Automatic Temperature Compensation

Optimize nutrient strength during growth, flowering, and fruitingReliable waterproof, dustproof housing and replaceable electrode provide long life and value.Auto shutoff conserves battery life.
Oakton pH Testers 10, 20, & 30feature large display screens

Replacement sensors:
OK-35624-09for pHTestr 1
OK-35624-29for pHTestr 2
OK-35653-01 pH 4.0 calibration solution