Calibration solution for EC and TDS meters. 2930 microsiemens EC , 1500 PPM (NaCL scale) and 2190 PPM (442 scale) .
General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our solutions are exactly calibrated each time they are used.
Item Number: 211571
Universal Product Code: 793094015714
Manufacturer: General Hydroponics
Manufacturer's Part Number: 1571
Brand: General Hydroponics