Salt Refractometer with ATC - 0 to 100 PPT LED This ensures rapid and effective

This ensures rapid and effective humidification across a substantial coverage area of up to 1614 square feet

duel resonator

Take your hydroponic growing to the next level with the TrolMaster Aqua-X 2-in-1 EC + Temp Sensor (PCT-1)

or it can be put directly into a microwave after piercing

Excellent quality dessert pear

Salt Refractometer with ATC - 0 to 100 PPT LED This ensures rapid and effectiveSper Scientific portable refractometers work in ambient light with no battery or other power source necessary. Features Automatic Temperature Compensation (ATC), which makes manual temperature corrections unnecessary. Double scale in parts per thousand and specific gravity. Measures salt content in sea water, breeding ponds, or pickling brines and other applications. While the scale is calibrated for sodium chloride, it can also be used for calcium