Feature

●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
●For calibration of pH Meters and electrode storages

[1 gal pH Up]

[1 quart pH Up & Down Bundle]

[1 gal pH Down]

[1 quart Calibration Solution]

[1 quart pH Down]

[1 quart pH Up]

[Kit pH Test kit]

[Kit pH Control Kit]

Description

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.