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  • Si28 SAFe is a silicic acid-iron complex that provides plant available silicic acid. Like other silicic acid products, it allows plants to tolerate abiotic stress such as heat and drought, and biotic stress such as mites and mildew. Si28 SAFe works to increase plant vigor, build stronger stems, and grow thicker leaves through increased nutrient uptake.

    Si28

    PriceFrom $28.00