BLACK MAGIC pH Down
Designed to lower the pH of your nutrient solution.
Black Magic pH Down is designed to help lower the pH of your nutrient solution. Keeping your nutrient solution pH in check helps make sure your plants are absorbing maximum nutrition. Test your pH prior to making any pH adjustments. Avoid the dreaded nutrient lockout with Black Magic pH up and Black Magic pH Down products.
PRO TIP: Use a pH meter, pH testing solution, or pH testing strips to test the pH of your solution.