US$ 40.99
message is displayed
Filter Life: Up to 3 months or 250 gallons
TDS: 0 – 9999 ppm / 0 – 10
SKU: HYDRO68OZ
Complete Calibration Kit:
Bluelab Soil pH Pen – Direct Soil pH & Temperature Meter | No Slurry | Double-Junction Probe water sanitization testing message is displayedBluelab Soil pH Pen Direct Soil pH & Temperature Meter Know whats going on at the root zone. The Bluelab Soil pH Pen (SKU: PENSOILPH) measures pH and temperature directly in soil, coco coir, rockwool, potting mixes, and nutrient solutions eliminating the need for messy soil slurries. Simply insert the dibber probe into your growing medium and get accurate, reliable readings in seconds. With a double junction pH probe, 0. 1 pH resolution, full
US$ 40.99
US$ 16.50
US$ 16.50
US$ 12.50