GHE pH Down
The premium solution maintaining and lower a nutrient's pH level. Acid formulated using food grade Phosphoric acid. Just add a little at a time if your nutrient pH is too high in order to lower the pH to the proper level.
This product has been sourced by Green Houston:
Their team of “Horticultural Enthusiasts” have gone through tremendous lengths to ensure that every product we stock meets their Green Houston standard. So we don’t sell products that we would not use ourselves.
All their organic, living and fresh amendments and additives are stored correctly and regularly checked to ensure the freshest stock and best possible user experience is delivered.