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• Compatible with all GroStar replacement probes: pH
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root aphids
all other in-between feedings should be compensated down to 1-3 ML per gallon of solution
Bluelab Leap pH Probe (Probe Only) Bio-Turf • Compatible with all GroStarThe perfect, portable way to accurately measure and monitor pH levels in a wide range of media. We have combined the Bluelab Multimedia pH Meter and Bluelab Leap pH Probe to take fast, accurate measurements in nutrient solution, soil, coco coir, rockwool, potting mix and many other media types. Calibration is simple with one push button on the meter and fresh Bluelab Calibration Solutions. Successful calibration indicator is displayed on screen for 30