Check the listing for details. Jack's Classic 20-20-20 All Purpose Water-Soluble Fertilizer, 4lbs. Condition: New. Listed at 32.11 USD. Jack's Classic 20-20-20 All Purpose Water-Soluble Fertilizer, 4lbs PRODUCT DESCRIPTION Jack's Classic All-Purpose Plant Food is ideal for everything you grow! Key Product Features 20-20-20 Analysis - Great for providing fast green-up and rapid leaf expansion in all indoor and outdoor plants.Many Ways to Feed - All Purpose Fertilizer can be used as a foliar or root feeding product. Great for spraying directly onto leaves, roots, or when used in a continuous feed system.Water-Soluble Powder – Powdered concentrates go further than liquid fertilizers. Simply mix your measured powder with water and you are ready to feed with multiple gallons of liquid fertilizer!Included Measuring Spoon – All Jack’s Classic fertilizers come with a convenient spoon to create the right amount of liquid fertilizer for your plants.Micronutrients - Added micronutrients supply your plant with the nutrition it needs for optimal growth and health. Unlike other fertilizers, additional feeding is not required. All Purpose 20-20-20 is considered the industry standard of general purpose fertilizers by professional growers. It feeds both through the roots and the leaves. This formula of nitrogen, phosphorus and potassium provides fast green-up and rapid leaf expansion. Recommended for use on all your indoor and outdoor plants. Indoors it is especially effective on foliage plants, keeping leaves green. A proven performer in the vegetable garden for generations, this product may be used in combination with Jack’s Classic Blossom Booster giving your plants greener leaves, more flowers and brighter colors.