GreenPlanet pH Down 500 mL

What it is: pH Down is our highly concentrated premium acid formula made to help maintain and lower the pH of a nutrient solution. Adjusting the pH to the optimal levels ensures your plants uptake the proper nutrients needed for all stages of growth. Directions For Use: To lower nutrient solution pH level, add a few drops of pH Down and stir well. Test the pH after every few drops until the desired level is achieved. Check nutrient solution pH daily. Avoid mixing pH Up with pH Down.