Grow1 Digital Nutrient Scale 11lbs/5Kg Accessories for Filters + Odor Control The Bluelab pH Probe and

The Bluelab pH Probe and the Bluelab Conductivity/Temperature Probe are simply placed into the solution and the selected reading is displayed on screen

and their old fashioned swirl reflection design creates hot spots and does not effectively utilize rogue lumens

Bluelab pH Pen Tester Meter

The integration of proprietary pH Perfect Technology means your reservoir stays within the "sweet spot" for nutrient absorption

with six months at peak production

Grow1 Digital Nutrient Scale 11lbs/5Kg Accessories for Filters + Odor Control The Bluelab pH Probe andWeighing units: Kg g oz gn ct tl Measurement Capacity Accuracy: 5Kg 0. 5g 11lbs . 02oz Power: 4 AA Batteries included *A C Adapter (non included): DC 6V 1000mA