--- product_id: 369260710 title: "Jack's Classic 20-20-20 All Purpose Water-Soluble Fertilizer with Micronutrients to Provide General Growth on All Plants, 4lbs" brand: "jack's classic" price: "AR$73890" currency: ARS in_stock: false reviews_count: 5 category: "Jack's Classic" url: https://www.desertcart.com.ar/products/369260710-jacks-classic-20-20-20-all-purpose-water-soluble-fertilizer store_origin: AR region: Argentina --- # 20-20-20 balanced NPK formula Water-soluble powder for easy mixing Includes precise measuring spoon Jack's Classic 20-20-20 All Purpose Water-Soluble Fertilizer with Micronutrients to Provide General Growth on All Plants, 4lbs **Brand:** jack's classic **Price:** AR$73890 **Availability:** ❌ Out of Stock ## Summary > 🌱 Unlock your plants’ full potential with every drop! ## Quick Answers - **What is this?** Jack's Classic 20-20-20 All Purpose Water-Soluble Fertilizer with Micronutrients to Provide General Growth on All Plants, 4lbs by jack's classic - **How much does it cost?** AR$73890 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/369260710-jacks-classic-20-20-20-all-purpose-water-soluble-fertilizer) ## Best For - jack's classic enthusiasts ## Why This Product - Trusted jack's classic brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Maximized Efficiency:** Powdered concentrate stretches further than liquids, delivering up to 20 gallons of nutrient-rich solution. - • **Balanced Growth Boost:** Perfect 20-20-20 NPK ratio fuels rapid leaf expansion and lush green-up for all plants. - • **Micronutrient Powerhouse:** Enhanced with chelated trace elements to ensure strong roots and vibrant foliage without extra feeding. - • **Precision Dosing Included:** Comes with a handy measuring spoon for exact mixing—no guesswork, just growth. - • **Versatile Feeding Options:** Use as foliar spray or root feed—flexible application for indoor and outdoor greenery. ## Overview Jack's Classic 20-20-20 All Purpose Fertilizer is a water-soluble powder designed for fast, balanced nutrition across all plant types. Featuring a perfect NPK blend plus chelated micronutrients, it supports vigorous growth indoors and outdoors. The included measuring spoon ensures precise application, while the powder form maximizes coverage and efficiency, feeding plants through roots or leaves with minimal risk of burning. ## Description 20-20-20 analysis. balanced blend of Nitrogen- Phosphorus and potassium with fully chelated trace elements that work well on all plant materials as general-purpose fertilizer. Indoors it is especially effective on foliage plants to keep leaves green and healthy. Feeds through both the roots and the leaves. Use on all indoor and outdoor plants- trees- shrubs- vegetables- and turf. Releases nutrients gradually for up to months of vigorous growth. Blended with an enhanced micronutrient package which provides optimal nutrition for strong roots and green foliage. Features the highest safety factor to prevent burning when applied as directed. Free measuring spoon enclosed for easy and precise application. Review: High Leverage All Purpose Nutrition for Garden Efficiency - I used Jack's Classic 20-20-20 All Purpose Fertilizer to maintain my indoor plants and garden vegetables. This balanced formula provides a high torque nutritional baseline that ensures consistent growth across diverse plant species without the need for multiple specialized products. Technical Performance Analysis Balanced Macro Profile: The 20-20-20 NPK ratio provides equal parts Nitrogen, Phosphorus, and Potassium. This creates an efficient growth cycle by supporting foliage density, root structural integrity, and bloom production simultaneously. Micronutrient Integration: Unlike basic fertilizers, this blend includes essential trace elements like Boron, Copper, Iron, and Manganese. These micronutrients act as catalysts for metabolic processes, preventing the yellowing or stunted growth often seen in mineral deficient soil. Solubility and Bioavailability: The powder dissolves completely in water, creating a clear solution that is immediately available for root uptake. This eliminates the lag time associated with granular slow release fertilizers and allows for precise control over feeding schedules. Formulation Stability: The technical grade raw materials ensure the product does not cake or clump in the tub, maintaining a consistent professional grade quality over long term storage. Ease of Use and Value for Money Efficiency: Because this is an all purpose solution, it replaces the need for separate fertilizers for flowers, vegetables, and houseplants. This streamlines your maintenance routine and reduces the inventory of chemicals you need to store. Value: The 4 pound container is highly concentrated. At a standard mixing rate, a single tub produces hundreds of gallons of high quality feed, offering a significantly lower cost per gallon compared to pre mixed liquid fertilizers. User Experience: The included measuring scoop and clear mixing instructions ensure that even a technical user can calibrate the strength for specific needs, such as a weaker dose for delicate indoor plants or a full strength application for heavy feeding vegetables. Pros Balanced formula suitable for almost all plant types Includes a full suite of micronutrients for total plant health Rapid absorption for visible results in growth and color Cons High nitrogen content requires careful dosing to avoid foliage burn on sensitive species Review: The end all of fertilizer - Grown from a Lil baby November 2021 into the absolute monster that it stands now Dec 2024 Grow lights and weekly diluted feedings !! All credit to the plant for its glorious natural beauty, but let's be honest. Without Jack's it wouldn't be near what it is today. If your thinking about buying, just do it already. Your plants will thank you. ## 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00KWYHXXQ | | Brand | Jack's Classic | | Brand Name | Jack's Classic | | Coverage | Full | | Customer Reviews | 4.8 out of 5 stars 2,101 Reviews | | Global Trade Identification Number | 00671341520641 | | Item Form | Powder | | Item Weight | 4 Pounds | | Item form | Powder | | Item weight | 4 Pounds | | Liquid Volume | 20 Liters | | Liquid volume | 20 Liters | | Manufacturer | JR Peters | | Mixing Ratio | 4 lbs/gallon | | Model Number | 52064 | | Number of Items | 1 | | Part Number | 52064 | | Specific Uses For Product | All Purpose, Indoor Plants, Outdoor Plants, Vegetable Gardens, Lawns | | Specific uses for product | All Purpose, Indoor Plants, Outdoor Plants, Vegetable Gardens, Lawns | | Target Species | plants | | UPC | 671341520641 | | Unit Count | 1892.7 Milliliters | ## Product Details - **Brand:** Jack's Classic - **Item form:** Powder - **Item weight:** 4 Pounds - **Liquid volume:** 20 Liters - **Specific uses for product:** All Purpose, Indoor Plants, Outdoor Plants, Vegetable Gardens, Lawns ## Images ![Jack's Classic 20-20-20 All Purpose Water-Soluble Fertilizer with Micronutrients to Provide General Growth on All Plants, 4lbs - Image 1](https://m.media-amazon.com/images/I/71VPE24ZFnL.jpg) ![Jack's Classic 20-20-20 All Purpose Water-Soluble Fertilizer with Micronutrients to Provide General Growth on All Plants, 4lbs - Image 2](https://m.media-amazon.com/images/I/812yB2gtNNL.jpg) ![Jack's Classic 20-20-20 All Purpose Water-Soluble Fertilizer with Micronutrients to Provide General Growth on All Plants, 4lbs - Image 3](https://m.media-amazon.com/images/I/81GtqPUmmwL.jpg) ![Jack's Classic 20-20-20 All Purpose Water-Soluble Fertilizer with Micronutrients to Provide General Growth on All Plants, 4lbs - Image 4](https://m.media-amazon.com/images/I/811YjX40ZtL.jpg) ![Jack's Classic 20-20-20 All Purpose Water-Soluble Fertilizer with Micronutrients to Provide General Growth on All Plants, 4lbs - Image 5](https://m.media-amazon.com/images/I/815WfDzggTL.jpg) ## Questions & Answers **Q: Could this be used as nutrients in a dwc / hydroponic setup?** A: SInce it goes into solution easily it can be used in a hydroponic set up. Concentrations will have to be adjusted. **Q: Does this contain micronutrients? Where can I get a detailed list of ingredients?** A: Ask the manufacturer for an OSHA sheet. All fertilizers are requrired to submit a full chemical breakdown listed for OSHA which must be supplied to the public on request. These sheets are requested by toxicologists in the ER. **Q: Do you solve it in the watering water or are these timed release granules? The product image and the description sort of contradict each other.** A: This water soluble fertilizer feeds both the leaf structure, and the root system when applied as directed. It can be used in multiple spray forms,ie; a spray bottle or hose attachment. You can also pour it from a watering can, or a bucket, right on top of your plants. Hope this helps. **Q: What country is this from?** A: It says right on the container made in Allentown, PA with an American flag . This is really good stuff....get some. ## Customer Reviews ### ⭐⭐⭐⭐⭐ High Leverage All Purpose Nutrition for Garden Efficiency *by D***W on 29 March 2026* I used Jack's Classic 20-20-20 All Purpose Fertilizer to maintain my indoor plants and garden vegetables. This balanced formula provides a high torque nutritional baseline that ensures consistent growth across diverse plant species without the need for multiple specialized products. Technical Performance Analysis Balanced Macro Profile: The 20-20-20 NPK ratio provides equal parts Nitrogen, Phosphorus, and Potassium. This creates an efficient growth cycle by supporting foliage density, root structural integrity, and bloom production simultaneously. Micronutrient Integration: Unlike basic fertilizers, this blend includes essential trace elements like Boron, Copper, Iron, and Manganese. These micronutrients act as catalysts for metabolic processes, preventing the yellowing or stunted growth often seen in mineral deficient soil. Solubility and Bioavailability: The powder dissolves completely in water, creating a clear solution that is immediately available for root uptake. This eliminates the lag time associated with granular slow release fertilizers and allows for precise control over feeding schedules. Formulation Stability: The technical grade raw materials ensure the product does not cake or clump in the tub, maintaining a consistent professional grade quality over long term storage. Ease of Use and Value for Money Efficiency: Because this is an all purpose solution, it replaces the need for separate fertilizers for flowers, vegetables, and houseplants. This streamlines your maintenance routine and reduces the inventory of chemicals you need to store. Value: The 4 pound container is highly concentrated. At a standard mixing rate, a single tub produces hundreds of gallons of high quality feed, offering a significantly lower cost per gallon compared to pre mixed liquid fertilizers. User Experience: The included measuring scoop and clear mixing instructions ensure that even a technical user can calibrate the strength for specific needs, such as a weaker dose for delicate indoor plants or a full strength application for heavy feeding vegetables. Pros Balanced formula suitable for almost all plant types Includes a full suite of micronutrients for total plant health Rapid absorption for visible results in growth and color Cons High nitrogen content requires careful dosing to avoid foliage burn on sensitive species ### ⭐⭐⭐⭐⭐ The end all of fertilizer *by B***0 on 12 December 2024* Grown from a Lil baby November 2021 into the absolute monster that it stands now Dec 2024 Grow lights and weekly diluted feedings !! All credit to the plant for its glorious natural beauty, but let's be honest. Without Jack's it wouldn't be near what it is today. If your thinking about buying, just do it already. Your plants will thank you. ### ⭐⭐⭐⭐⭐ Absolutely fantastic. Dissolves easy. *by S***. on 16 June 2026* Absolutely fantastic. Dissolves very easily. Scoop into the watering can and fill it up. I shaking or mixing. No settled ingredients. It seems like a profile of nutrient that will work with anything with some minor adjustments. Add some epsom salt or cal mag and it’s perfect for peppers. Complete garden turn around in 1 week. ## Frequently Bought Together - Jack's Classic 20-20-20 All Purpose Water-Soluble Fertilizer with Micronutrients to Provide General Growth on All Plants, 4lbs - Jack's Classic 10-30-20 Blossom Booster Water-Soluble Fertilizer with Micronutrients for Increasing Color and Quantity of Blooms in Flowering Plants, 4lbs - Jack's Classic 12-15-30 Veggie Feed Water-Soluble Fertilizer with Micronutrients for Plant Growth and Abundant Fruit Set in Blooming Vegetable Plants, 1.5lbs, 2 Pack --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.ar/products/369260710-jacks-classic-20-20-20-all-purpose-water-soluble-fertilizer](https://www.desertcart.com.ar/products/369260710-jacks-classic-20-20-20-all-purpose-water-soluble-fertilizer) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-09-08*