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: 211555
Universal Product Code: 793094015424
Manufacturer: General Hydroponics
Manufacturer's Part Number: 1542
Brand: General Hydroponics