The Gro Pro pH tester has been designed with many advanced features for growers. This pH tester offers automatic one or two point calibration, automatic recognition of calibration solutions, warning of calibration solutions used, stability indicator, low battery indicator and selection of automatic shutdown. With its compact size, one button and ease of calibration, the pH128 GroPro is the optimal tool for pH measurements in nutrient solutions.
| Brand | HANNA |
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