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50mm Carbon Layer of Thickness for Higher Absorption and Performance
Ozone safely alters the molecular structure of offensive micro-organisms
you can pick & eat fruits
- Trim twigs and remove leaves (hydroponic)
Bluelab pH Pen Gavita 50mm Carbon Layer of ThicknessMeasures pH and temperature. Selectable units for C & 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 & Bluelab pH 4 Solution Sachets are now included. Range: 0. 0 14. 0 pH 0 50C 32 122F. Resolution: 0. 1 pH 1C 1F. Accuracy @
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