GreenPlanet pH Up 500 mL

What it is: pH Up is our highly concentrated premium base formula made to help maintain and increase 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 raise nutrient solution pH level, add a few drops of pH Up 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.