---
product_id: 725712158
title: "J R Peters Inc JRP52064 Jacks Classic 4 No. 20-20-20 All Purpose Fertilizer"
brand: "jack's classic"
price: "€ 0.03"
currency: EUR
in_stock: false
url: https://www.desertcart.sk/products/725712158-j-r-peters-inc-jrp52064-jacks-classic-4-no-20
store_origin: SK
region: Slovakia
---

# J R Peters Inc JRP52064 Jacks Classic 4 No. 20-20-20 All Purpose Fertilizer

**Brand:** jack's classic
**Price:** € 0.03
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** J R Peters Inc JRP52064 Jacks Classic 4 No. 20-20-20 All Purpose Fertilizer by jack's classic
- **How much does it cost?** € 0.03 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/725712158-j-r-peters-inc-jrp52064-jacks-classic-4-no-20)

## 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

## Description



## Technical Specifications

| Specification | Value |
|---------------|-------|
| Part number | 52064 |
| Item Weight | 1.81 Kilograms |
| Product Dimensions | 2.54 x 2.54 x 2.54 cm; 1.81 kg |
| Is Discontinued By Manufacturer | No |
| Batteries Included | No |
| Batteries Required? | No |
| Item Dimensions LxWxH | 25 x 25 x 25 mm |

## Product Details

- **Brand:** Jack's Classic
- **Item Weight:** 1.81 kg
- **Liquid Volume:** 20 Liters
- **Target Species:** Plants
- **Global Trade Identification Number:** 00671341520641

## Images

![J R Peters Inc JRP52064 Jacks Classic 4 No. 20-20-20 All Purpose Fertilizer - Image 1](https://m.media-amazon.com/images/I/71VPE24ZFnL.jpg)
![J R Peters Inc JRP52064 Jacks Classic 4 No. 20-20-20 All Purpose Fertilizer - Image 2](https://m.media-amazon.com/images/I/812yB2gtNNL.jpg)
![J R Peters Inc JRP52064 Jacks Classic 4 No. 20-20-20 All Purpose Fertilizer - Image 3](https://m.media-amazon.com/images/I/81GtqPUmmwL.jpg)
![J R Peters Inc JRP52064 Jacks Classic 4 No. 20-20-20 All Purpose Fertilizer - Image 4](https://m.media-amazon.com/images/I/811YjX40ZtL.jpg)
![J R Peters Inc JRP52064 Jacks Classic 4 No. 20-20-20 All Purpose Fertilizer - 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.

## 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

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**Shop now:** [https://www.desertcart.sk/products/725712158-j-r-peters-inc-jrp52064-jacks-classic-4-no-20](https://www.desertcart.sk/products/725712158-j-r-peters-inc-jrp52064-jacks-classic-4-no-20)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-01-27*