GreenAll True Blue Aluminum Sulfate Fertilizer



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Inventory changes throughout the day, so this does not guarantee immediate availability. We may be able to source or transfer items not currently in our inventory. Due to CDFA regulations, material in Carmel Valley, Orange, Redondo Beach, San Juan Capistrano, and Vista cannot be transferred to Northern CA.

About This Product

Helps to acidify soils (lowers pH) with a combination of aluminum and sulfur. When added to the soil, this formula increases aluminum levels - an important nutrient required to develop the deep blue color in Hydrangeas.

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