---
product_id: 399709644
title: "Jack's Classic Nutrients Calcium Nitrate Fertilizer 15-0-0 (Part A and B Dual Pack, 4.4 Pounds Total (Pack of 2))"
brand: "jack's classic"
price: "795 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/399709644-jacks-classic-nutrients-calcium-nitrate-fertilizer-15-0-0-part
store_origin: RO
region: Romania
---

# Hydroponic Ready Water-Soluble 1:256 Mixing Ratio Jack's Classic Nutrients Calcium Nitrate Fertilizer 15-0-0 (Part A and B Dual Pack, 4.4 Pounds Total (Pack of 2))

**Brand:** jack's classic
**Price:** 795 Lei
**Availability:** ✅ In Stock

## Summary

> 🌿 Grow Big or Go Home!

## Quick Answers

- **What is this?** Jack's Classic Nutrients Calcium Nitrate Fertilizer 15-0-0 (Part A and B Dual Pack, 4.4 Pounds Total (Pack of 2)) by jack's classic
- **How much does it cost?** 795 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/399709644-jacks-classic-nutrients-calcium-nitrate-fertilizer-15-0-0-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

- • **Dual Power for Growth:** Unlock the full potential of your plants with our two-part nutrient system!
- • **Designed for Hydroponics:** Perfectly tailored for hydroponic setups, ensuring optimal results.
- • **Easy Mixing Instructions:** Get started quickly with clear mixing guidelines for hassle-free feeding.
- • **Maximize Nutrient Uptake:** Part A and B work in harmony for robust root and leaf development.
- • **Efficient Feeding Solution:** Water-soluble formula means less waste and more growth!

## Overview

Jack's ClassicNutrients Calcium Nitrate Fertilizer is a dual-pack system designed specifically for hydroponic setups, featuring two 2.2-pound bags (Part A and Part B). This water-soluble powder promotes strong root and leaf growth while ensuring efficient calcium uptake, making it an essential choice for serious plant enthusiasts.

## Description

Jack's Classic Nutrients Calcium Nitrate Fertilizer 15-0-0 (Part A and B Dual Pack, 4.4 Pounds Total (Pack of 2))

## 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 |
|---------------|-------|
| Item Weight | 2.2 Pounds |
| Mixing Ratio | 1:256 |
| Target Species | plants |
| Coverage | Full |
| Item Form | Powder |

## Product Details

- **Brand:** Jack's Classic
- **Item Weight:** 2.2 Pounds
- **Item Form:** Powder
- **Number of Items:** 2
- **UPC:** 643952106675

## Images

![Jack's Classic Nutrients Calcium Nitrate Fertilizer 15-0-0 (Part A and B Dual Pack, 4.4 Pounds Total (Pack of 2)) - Image 1](https://m.media-amazon.com/images/I/51G6S4u529L.jpg)

## 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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**Shop now:** [https://www.desertcart.ro/products/399709644-jacks-classic-nutrients-calcium-nitrate-fertilizer-15-0-0-part](https://www.desertcart.ro/products/399709644-jacks-classic-nutrients-calcium-nitrate-fertilizer-15-0-0-part)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-04-24*