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Michigan Challenger II

Michigan Challenger II contains phosphorous, potassium & magnesium. Together, these nutrients ensure robust root systems, vibrant foliage, and abundant blooms and fruits, leading to healthier plants, improved stress tolerance, and higher crop yields & quality. Phosphorous (P₂O) 40% | Potassium (K₂O) 9% | Magnesium (MgO) 9%