Use Earth Juice Natural Down to lower the pH of liquid plant fertilizers, foliage sprays and soil. This is the real stuff derived from a natural source. Enhances nutrient uptake for overall better growth and development. Free flowing, top quality, professional strength crystals.
Mix a tablespoon or two as needed per gallon. Apply to soils and mediums. Test pH the next day. Continue adding as needed, until desired pH is acheived. A good way to adjust pH without the use of excessive amount of sulpher and, because it's a concentrated product a little goes a long way so you won't be paying for shipping on heavy bags of other products.