---
product_id: 399709644
title: "Jack's Nutrients Part A 2.2lb & Cal Nit Part B 2.2lb Fertilizer Bundle"
brand: "jack's classic"
price: "€ 87.39"
currency: EUR
in_stock: true
reviews_count: 8
category: "Jack's Classic"
url: https://www.desertcart.ie/products/399709644-jacks-nutrients-part-a-2-2lb-and-cal-nit-part
store_origin: IE
region: Ireland
---

# Balanced macro & micronutrients combo Water-soluble for max nutrient uptake 2.2 lb precise powder bags Jack's Nutrients Part A 2.2lb & Cal Nit Part B 2.2lb Fertilizer Bundle

**Brand:** jack's classic
**Price:** € 87.39
**Availability:** ✅ In Stock

## Summary

> 🌿 Feed your plants like a pro, watch your garden glow!

## Quick Answers

- **What is this?** Jack's Nutrients Part A 2.2lb & Cal Nit Part B 2.2lb Fertilizer Bundle by jack's classic
- **How much does it cost?** € 87.39 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/399709644-jacks-nutrients-part-a-2-2lb-and-cal-nit-part)

## 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

- • **Hydroponic Hero:** Specifically engineered for hydroponic setups to maximize root absorption
- • **Made in the USA:** Premium quality you can trust, supporting local manufacturing
- • **Powdered Precision:** Concentrated powder form stretches further than liquids—more feed, less waste
- • **Calcium Boosted Growth:** Part B delivers pure calcium for stronger leaves and healthier plants
- • **Dual-Power Nutrient System:** Part A & B work in perfect synergy for unstoppable plant growth

## Overview

Jack's Nutrients Part A & Cal Nit Part B bundle offers a scientifically balanced, water-soluble powder fertilizer system designed for hydroponic growers. Each 2.2 lb bag delivers essential macro and micronutrients, including a high-quality calcium source, to promote vigorous root and leaf development. Trusted by thousands with a 4.9-star rating, this USA-made formula ensures efficient nutrient uptake and flexible use across diverse crops.

## Description

An improvement on the classic "Part A" formula for general vegetative growing. This redesigned blend is built with purely soluble and available nutrients to allow the grower maximum flexibility. Specific balance of macro, secondary and micronutrients delivers an efficient combination of nutrients suitable for many different growing environments and crop types. An essential "Part B" provides a very soluble and available source of calcium in a two-part nutrient system. Contains very pure and completely available calcium and nitrate nitrogen nutrient sources. High quality and extremely soluble form of Calcium that is easy to take up by plant roots in a hydroponic environment. It can also be used to raise media pH and to reduce ammonium, sodium and high micronutrient levels. Proudly made in the USA.

Review: Great value - As always awesome products and very cheap
Review: Amazing results, amazing value - The best nutrients I could ever recommend! You can’t go wrong!

## Features

- You will receive (1) 2.2-pound bag of Part A, and (1) 2.2-pound bag of Part B.
- Two part system - Designed for use together in hydroponic setups. Micronutrients in part A work together with the complimentary macronutrients in part B to give your plants a complete feeding.
- Benefits - Part A 5-12-26 promotes strong roots and leaf growth. Part B 15-0-0 promotes calcium uptake and strong leaves.
- 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!
- Continuous Liquid Feed Program - Intended for use with hydroponic systems. Mixing instructions by volume included.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09MJMZPXF |
| Best Sellers Rank | #42,130 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,111 in Garden Fertilizers |
| Brand | Jack's Classic |
| Brand Name | Jack's Classic |
| Coverage | Full |
| Customer Reviews | 4.9 out of 5 stars 149 Reviews |
| Item Form | Powder |
| Item Weight | 2.2 pounds |
| Mixing Ratio | 1:256 |
| Model Number | 643952106675 |
| Number of Items | 2 |
| Number of Packs | 2 |
| Part Number | #79081 and #79031 |
| Target Species | plants |
| UPC | 643952106675 |
| Unit Count | 35.2 Ounce |

## Product Details

- **Brand:** Jack's Classic
- **Item Form:** Powder
- **Item Weight:** 2.2 pounds
- **Number of Items:** 2
- **Number of Packs:** 2

## Images

![Jack's Nutrients Part A 2.2lb & Cal Nit Part B 2.2lb Fertilizer Bundle - Image 1](https://m.media-amazon.com/images/I/51G6S4u529L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great value
*by R***. on June 17, 2026*

As always awesome products and very cheap

### ⭐⭐⭐⭐⭐ Amazing results, amazing value
*by K***E on August 2, 2026*

The best nutrients I could ever recommend! You can’t go wrong!

### ⭐⭐⭐⭐⭐ Best fertilizer for hydroponics.
*by K***. on June 16, 2025*

I live in Florida and have four hydroponic systems outside. The heat and sun is rough on the plants and gardening is hardest in the summer. Thanks to Jacks I am able to continue to grow in the summer. Easy to use and gives the plants everything they need to thrive.

## Frequently Bought Together

- Jack's Classic Nutrients Calcium Nitrate Fertilizer 15-0-0 (Part A and B Dual Pack, 4.4 Pounds Total (Pack of 2))
- Epsom Salt (Magnesium Sulfate) Agricultural Grade Bulk (5 Pounds)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-09-19*