Bluelab PH Pen Tools Heavy duty 1020 Tray to

Heavy duty 1020 Tray to retain your growing medium

Anti-slip handle

Voltage 120

Improves germination and rooting

and moisture retention

Bluelab PH Pen Tools Heavy duty 1020 Tray toBluelab PH Pen Measures 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. 0 14. 0 pH 0 50C 32 122F. Resolution: 0. 1