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Use two diffuser bumpers for each diffuser
C10 - portable thermostat
is not all the same
Comes with a plastic protective case
Hanna pH 128 Meter Egg Counters Use two diffuser bumpers forThe GroPro pH tester has been designed with many advanced features for growers of all types. This pH tester offers automatic calibration to one or two points, automatic buffer recognition, calibrated buffer tags, stability indicator, low battery indicator, and selectable automatic shutoff. With its compact size, one button operation, and ease of calibration, the pH128 GroPro is the optimal tool for pH measurement in nutrient solutions and soil
