Bluelab Soil pH Pen – Direct Soil pH & Temperature Meter | No Slurry | Double-Junction Probe water sanitization testing 10 and 500 (FNU) calibration

10 and 500 (FNU) calibration

nickel is actively monitored in wastewater due to damage it can cause to plants and aquatic life

Filter Life: Up to 3 months or 250 gallons

that’s approximately one replacement every 6 months

Bluelab Soil pH Pen – Direct Soil pH & Temperature Meter | No Slurry | Double-Junction Probe water sanitization testing 10 and 500 (FNU) calibrationBluelab 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