Bluelab® pH Pen Size:Bluelab pH Pen Non-poisonous and easy to use

Non-poisonous and easy to use

One bracket per package

vitamins and amino acids is also added to improve mycorrhizal germination and effectiveness

Increases the synthesis of chlorophyll

Other features include 10 in duct ports

Bluelab® pH Pen Size:Bluelab pH Pen Non-poisonous and easy to useMeasures 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