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Increases the synthesis of chlorophyll
Glass encased reference electrode helps retain moisture
Non-poisonous and easy to use
This is powered by an indoor-rated 110 V power supply
aphids and other flying insects
Bluelab® pH Pen Size:Bluelab pH Pen Increases the synthesis of chlorophyllMeasures pH and temperature. Selectable units for C and F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with auto off function. Automatic temperature compensation. Along with Bluelab pH Probe KCI Solution, Bluelab pH 7 and Bluelab pH 4 Solution Sachets are now included. Range: 0. 014. 0 pH 050C 32122F. Resolution: 0. 1 pH 1C 1F. Accuracy
