Control Wizard Products' Accurate PPM 3.5
Control Wizard Products is introducing a new line of waterproof hand held meters to the gardening industry. This meter uses a one step calibration procedure to for fast and accurate PPM readings. It uses the Control Wizard Products 1382 ppm calibration solution.
The electrode is not replaceable, as it will give years of reliable service. It comes complete in a simulated leather storage pouch with lanyard, a screwdriver, batteries, a complete instruction manual and a one-year warranty with receipt.
Reads a nutrient solution up to 2000 ppm. Waterproof to one meter.

— Ships via UPS from Portland, Oregon USA

manufacturer