SKU: 34304850047
jack's fertilizer for plants

jack's fertilizer for plants Jack's Classic 20-20-20

Sale price$24.40 Regular price$27.11
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Description

jack's fertilizer for plants Jack's Classic 20-20-20With Jack's 20 20 20, you can improve growth in almost any situation any plant, any stage, any weather. This all purpose fertilizer has a 1: 1: 1 NPK ratio with 20% each of nitrogen, phosphate and potash plus trace nutrients such as iron and manganese to promote larger, greener growth. Use it from the start or to "green up" existing plants. The water soluble formula makes mixing it easy for liquid feed either directly to the roots or on the leaves.

With Jack's 20-20-20, you can improve growth in almost any situation - any plant, any stage, any weather. This all-purpose fertilizer has a 1:1:1 NPK ratio with 20% each of nitrogen, phosphate and potash plus trace nutrients such as iron and manganese to promote larger, greener growth. Use it from the start or to "green up" existing plants. The water-soluble formula makes mixing it easy for liquid feed either directly to the roots or on the leaves.

From bedding plants and perennials to fruits, vegetables, trees and turfgrass, Jack's Classic 20-20-20 Fertilizer is the right feed. Though you can use Jack's fertilizer in an array of conditions, warmer temperatures are recommended so plants can make better use of the nitrogen. The manufacturer also suggests alternating with a fertilizer lower in phosphorus to prevent plant stretch over extended periods.

Jack's All-Purpose Fertilizer Features:

  • Versatile 1:1:1 NPK ratio.
  • Easily dissolves in water for spraying and fertigation.
  • Ideal for warmer weather and indoor plants.
  • Sold in four-pound tubs (single or case of six).

How to Use

For small volume mixing
Dissolve the following amounts in 1 gallon of water. An injector should not be used.
1/2 tsp. = 125 ppm
1 tsp. = 250 ppm
1 tbsp. = 750 ppm

Stock Solution

To make a STOCK concentrated solution for use with a fertilizer proportioner. Dissolve the following amounts of fertilizer per 1 gallon of stock water.

Stock Solution 100 ppm 200 ppm 300 ppm
1:100 (1%) setting 6.8 oz. 13.5 oz. 20.3 oz.
E.C. 0.42 0.84 1.2
1:200 (0.5%) setting 13.5 oz. 27 oz. 40.5 oz.
E.C. 0.42 0.84 1.2
1:15 setting* 1 oz. 2 oz. 3 oz.
E.C. 0.42 0.84 1.2
*When using a Siphonex or Hoze-on proportioner

Limit of Solubility in Hot Water = 3.5 lbs. per gallon.


Additional Information

Jack's All-Purpose MSDS (PDF)


Specifications

Total Nitrogen (N)....................................... 20%

2.1% Nitrate Nitrogen
17.9% Urea Nitrogen

Available Phosphate (P2O5)....................... 20%
Soluble Potash (K2O)................................. 20%
Boron (B).................................................... 0.02%
Copper (Cu)................................................ 0.05%
0.05% Chelated Copper (Cu)
Iron (Fe)...................................................... 0.1%
0.1% Chelated Iron (Fe)
Manganese (Mn)......................................... 0.05%
0.05% Chelated Manganese (Mn)
Molybdenum (Mo)....................................... 0.0009%
Zinc (Zn)...................................................... 0.05%
0.05% Chelated Zinc (Zn)
Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 34304850047

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TiiTii
Draper, US
★★★★★ 5
Perfect
Format: Paperback
Perfect & love these books. Every year I get a grade up to get my child ready for the next. My child loves these books.
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Reviewed in the United States on April 29, 2026
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Steven
Lake Worth, US
★★★★★ 5
Sweet and meaningful gift for new families
Format: Hardcover
I bought I Love You to the Moon and Back for my nephew and his wife when they were expecting their first child, and it turned out to be a perfect gift. Heartwarming story: The message is very sweet and perfect for parents and young children Great for bonding: It’s the kind of book that’s great for bedtime reading Family favorite: My own kids loved this book as well, so it was special to pass it along The story is fairly simple, so older kids might outgrow it quickly Perfect for new parents, baby showers, or young children—especially as a keepsake gift. A thoughtful, meaningful book that makes a great gift for growing families.
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Reviewed in the United States on May 30, 2026
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Gina
Los Angeles, US
★★★★★ 5
Cute adorable book "I Love You to the Moon and Back"
Format: Board book, Format: Board book
Review: "I Love You to the Moon and Back " **Rating:** ⭐⭐⭐⭐⭐ Headline: 🧸 Adorable, Durable, and Perfect for a 5-Year-Old! I purchased **"I Love You to the Moon and Back"** for my 5-year-old granddaughter, and it’s an absolute treasure! This is the kind of book that’s a **joy to read aloud** and sturdy enough to handle little hands. **👍 What We Loved (The Pros):** * **Illustrations:** The pictures by **Tim Warnes are fantastic**—they are bright, engaging, and have a lovely, classic feel that really captivates my granddaughter's attention. * **Quality & Durability:** As a **cute little hardcover book**, it's built to last. It holds up well to repeated readings and being carried around the house. * **The Story :** The simple, sweet message is just right for this age group. It reinforces a sweet, loving sentiment and makes for a comforting and quick read before naptime or bed. **📝 Room for Improvement (A Minor Note):** * Honestly, it’s hard to find a fault here. Perhaps just that we wish it was a little longer because she asks to read it immediately again! **Overall Impression:** A wonderful, high-quality picture book that makes a great gift. It combines **beautiful artwork** with an endearing story. We highly recommend it 👍🏾💜
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Reviewed in the United States on December 1, 2025
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AK
Waukegan, US
★★★★★ 5
Heartwarming book for kids
Format: Board book
I Love You to the Moon and Back is such a sweet and heartwarming book. The story is simple but beautifully written, with gentle words that make it perfect for reading with little ones. The illustrations are soft and comforting, and the message of unconditional love really shines through. It’s one of those books that feels calming at bedtime and special every time you read it.
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Reviewed in the United States on April 29, 2026
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Cheryl J
Fort Morgan, US
★★★★★ 5
Great story, beautiful pics
Format: Board book
Perfect book to go into a baby shower gift basket. Nice pictures and love the board book
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Reviewed in the United States on May 22, 2026

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