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Available Phosphorus (P2O5): 0
steady room conditions
and reliable flowering
Because it’s built around vertical propagation on baker’s racks
It’s also a practical option for growers who prefer to make targeted
Jack's Classic All Purpose 20-20-20 - 1.5 lbs google-feed-exclude Available Phosphorus (P2O5): 0Jack's Classic All Purpose 20 20 20 is a Jacks Classic general purpose fertilizer for broad, everyday plant nutrition, designed to support fast green up and steady growth across many plant types. This all purpose plant fertilizer delivers a balanced 20 20 20 nutrient profile for growers who want one reliable option for general maintenance and consistent results. All Purpose 20 20 20 is considered the industry standard of general purpose fertilizers by