Sodium Ion Meter
Sodium Ion Meter for testing plant sap and water quality. Waterproof meter only requires a couple of drops for a quick, easy reading.
Also can be used with water and filtration to measure water soluble sodium level in soil.
Compact waterproof sodium ion meter with flat sensor technology requiring just a couple of drops of sample. Lightweight meter reads directly in ppm.
Sodium Standard Solution, 150ppm, 2 ounces