If your pH is getting too high, the best strategy is to bail out and drop down. pH Down is a very safe and buffered, 100% soluble product derived from urea phosphate. Dial in the 17-42-0 nutrient combo and watch your numbers drop.
Store the product in a cool, dark, dry place. Tightly seal container to prevent product hardening. Agitate well to dissolve completely.
Heavy Metals Internet Statement:
Information regarding the contents and levels of metals in this product is available on the internet at http://www.aapfco.org/metals.htm
WARNING: May be harmful if swallowed. Keep out of reach of children.