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Jack's Classic All Purpose Fertilizer 20-20-20 is designed for use on all indoor and outdoor plants by supplying both the roots and the leaves with nutrients. Used in a constant feed system, it keeps the nutrition levels constant preventing nutrient stress from over or underfeeding. For best results, apply every 7 to 14 days with thorough watering.
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🇺🇸 Ship from USA · On Agora since 2025
$11.95