Bluelab pH Pen Lighting Works as a specialized nutrient

Works as a specialized nutrient for rapidly growing plants during the structural and foliar growth phase

Each box has the stakes in bundles of 100 stakes

and Roots Organics have captured that power for you in an easy to use form

0-5000 ppm (500 ppm)

Designed to provide a fully balanced light spectrum that replicates natural sunlight

Bluelab pH Pen Lighting Works as a specialized nutrientMeasures 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?? 50?C 32??? 122?F. Resolution: 0. 1 pH