This PPM calibration solution is stablilized at 1382 PPM. Good for any Parts Per Million nutrient solution calibration. Calibrate your meters frequently for accurate PPM readings.
Uses phosphoric acid to lower the pH to the proper level. Lowering the pH of water or nutrient solution is simple. Just add small amounts of pH down to your nutes or water until your pH readings are on par.
Raises the pH of freshwater. Ideal for hydroponic cultivation. Raising the pH of water or nutrient solution is simple. Just add small amounts of pH up to your nutes or water until your pH readings are on par.