US$ 33.99
Height when in use: 14"
Why Choose the Big Berkey
the HI98330 GroLine® Nutrient Tester accurately measures the electrical conductivity (EC) in mS/cm and the total dissolved solids (TDS) conversion in parts per million (ppm) of the nutrients in water
Milwaukee Instruments is trusted worldwide by hydroponics growers
Short-term tap water storage acceptable only if MA9015 unavailable
Bluelab Probe Care Kit – pH & EC Calibration and KCl Storage Solutions | 8-Sachet Set ICUMSA refractometer Height when in use: 14"Bluelab Probe Care Kit pH & EC Calibration and KCl Storage Solutions All the calibration and storage solutions your pH and conductivity probes need in one convenient kit. The Bluelab Probe Care Kit (solutions set) provides eight single use sachets covering every step of professional probe maintenance: two point pH calibration, EC conductivity verification, and KCl probe storage. Accurate probes start with fresh, uncontaminated calibration solution.
US$ 33.99
US$ 28.99
US$ 14.99
US$ 89.00
US$ 30.99