Jack's Classic Acid Special 17-6-6 is a specialized fertilizer designed to lower soil pH, enhancing the availability of iron and other trace elements for improved plant growth. Ideal for all acid-loving garden and houseplants, including azaleas, camellias, rhododendrons, hydrangeas, blueberries, and citrus. This formula is particularly effective as a root drench, especially near concrete foundations or areas with elevated soil pH. The elevated levels of iron and sulfur promote lush vegetative growth and better blooms.

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