Jack's Classic 20-20-20 All-Purpose Water-Soluble Fertilizer, 1.5 lb — Balanced N-P-K, Foliar & Root Feed

Jack's Classic 20-20-20 All Purpose is a balanced, water-soluble fertilizer powder designed to feed plants through roots or foliage for fast green-up and steady growth.

Whether you manage houseplants, container gardens, or vegetable beds, this 20-20-20 formula supplies equal parts nitrogen, phosphorus, and potassium plus micronutrients in a concentrated powder that dissolves into multiple gallons of feed. It’s a professional-grade, multi-use option that works as a foliar spray, root drench, or in continuous-feed systems. The included measuring spoon helps you mix consistent strengths so each application matches your plants’ needs.

How does Jack's Classic 20-20-20 improve plant appearance quickly?

Because the formula delivers balanced N-P-K, plants receive nutrients that support leaf color, cell expansion, and overall vigor. Applied as a foliar spray, nutrients can be absorbed faster for quick visual improvement; applied to the root zone, it provides steady support for new growth.

• Balanced 20-20-20 ratio for simultaneous nitrogen, phosphorus, and potassium supply.
• Micronutrients included to prevent common deficiencies and keep foliage healthy.
• Effective as foliar feed for faster leaf green-up or root feed for sustained growth.

How should I mix and apply the powder for best results?

Measure with the included spoon, dissolve powder thoroughly in water, and apply according to plant type and growth stage. Use lower concentrations for seedlings and foliage plants, higher for actively growing vegetables and flowering plants, and always mix fresh solution before use.

• Use the provided measuring spoon to achieve repeatable concentrations.
• Dissolve completely in warm water for a clear solution before applying.
• Apply as a foliar spray or root drench; compatible with continuous-feed systems.

Is this product suitable for both indoor houseplants and outdoor gardens?

Yes — Jack’s Classic 20-20-20 is formulated for versatile use on indoor foliage, container plants, and outdoor vegetable or ornamental beds. Its water-soluble format is especially convenient for containers and watering systems that require clear, concentrated feeds.

• Safe and effective on foliage plants to maintain green leaves and robust texture.
• Proven performer for vegetable gardens when applied during active growth.
• Works in watering systems, hand-watering, or spray applications for flexible use.

What practical benefits does the water-soluble powder format offer?

Powdered concentrates allow you to carry more feeding capacity per container and mix only the amount you need, cutting storage and shipping bulk. This format also delivers a clean solution that moves easily through injectors and drippers without clogging.

• Concentrated powder makes multiple gallons of fertilizer from a single 1.5 lb bag.
• Produces a clear solution suited to drip, syringe, and foliar systems without residue.
• Includes measuring spoon for accurate, repeatable mixing and less waste.

Who is this for? Growers who want a reliable, general-purpose feed — from hobby houseplant caretakers to vegetable gardeners and small commercial operations — will value Jack’s Classic 20-20-20 for its balanced nutrition, versatility, and concentrated powder form. If you need a single, easy-to-mix fertilizer for both foliar and root applications that plays well with continuous-feed systems, this product is built to fit into regular maintenance routines and seasonal feeding schedules.

Ingredients

Fertilizer