---
product_id: 64484146
title: "Nutrients 15-0-0 Part B Calcium Nitrate Water-Soluble Fertilizer for Calcium Uptake and Strong Leaf Growth in Continuous Liquid Feed Programs, 25lbs"
brand: "jack's classic"
price: "NT$10898"
currency: TWD
in_stock: true
reviews_count: 8
category: "Jack's Classic"
url: https://www.desertcart.tw/products/64484146-nutrients-15-0-0-part-b-calcium-nitrate-water-soluble
store_origin: TW
region: Taiwan
---

# Optimized for continuous liquid feed Water-soluble powder for easy mixing 15-0-0 high solubility formula Nutrients 15-0-0 Part B Calcium Nitrate Water-Soluble Fertilizer for Calcium Uptake and Strong Leaf Growth in Continuous Liquid Feed Programs, 25lbs

**Brand:** jack's classic
**Price:** NT$10898
**Availability:** ✅ In Stock

## Summary

> 🌱 Feed smarter, grow stronger — don’t let your plants miss out!

## Quick Answers

- **What is this?** Nutrients 15-0-0 Part B Calcium Nitrate Water-Soluble Fertilizer for Calcium Uptake and Strong Leaf Growth in Continuous Liquid Feed Programs, 25lbs by jack's classic
- **How much does it cost?** NT$10898 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/64484146-nutrients-15-0-0-part-b-calcium-nitrate-water-soluble)

## 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-Ready:** Designed specifically for continuous liquid feed systems, perfect for modern indoor growers.
- • **Effortless Mixing:** Water-soluble powder dissolves quickly, maximizing your fertilizer’s reach and efficiency.
- • **Proven Performance:** Trusted by growers for consistent, high-quality results season after season.
- • **Customizable Nutrition:** Simple two-macronutrient formula lets you tailor nitrogen and micronutrients separately for peak plant health.
- • **Precision Nutrient Delivery:** 15-0-0 calcium nitrate formula ensures rapid calcium uptake and robust leaf growth.

## Overview

Jack's Classic Nutrients 15-0-0 Part B Calcium Nitrate is a 25lb water-soluble powder fertilizer designed for hydroponic and continuous liquid feed systems. It delivers highly soluble calcium and nitrate nitrogen to promote strong leaf growth and optimal calcium uptake. Its simple two-macronutrient formula allows for easy customization, making it a favorite among professional growers seeking reliable, efficient nutrient delivery.

## Description

desertcart.com : Jack's Classic Nutrients 15-0-0 Part B Calcium Nitrate Water-Soluble Fertilizer for Calcium Uptake and Strong Leaf Growth in Continuous Liquid Feed Programs, 25lbs : Patio, Lawn & Garden

Review: Always Great Results - Can’t go wrong with Jack’s 321 line of products as long as it’s mixed properly. Always thumbs up!
Review: Never disappointed - I've used this for years and its never disappointed.

## Features

- 15-0-0 Analysis - Provides a very soluble and available source of calcium and nitrate nitrogen sources. Works in tandem with Jack's 5-12-26 Part A.
- 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!
- Mixing Rate - Dissolve 8.6 ounces in 100 gallons of water to achieve a final feed strength of 100 PPM N.
- Continuous Liquid Feed Program - Intended for use with hydroponic systems. Mixing instructions by volume included.
- Made for Simplicity - Made with only 2 major macronutrients for simplicity and customization in mind. Fill in the nitrogen and micronutrient needs of your plants separately for best results.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07CY62XXP |
| Best Sellers Rank | #25,565 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #701 in Garden Fertilizers |
| Brand | Jack's Classic |
| Date First Available | May 8, 2018 |
| Is Discontinued By Manufacturer | No |
| Item Form | Powder |
| Item Weight | 25 pounds |
| Item model number | 79080 |
| Liquid Volume | 1 Quarts |
| Manufacturer | JR Peters |
| Number of Items | 1 |
| Product Dimensions | 14 x 24 x 4 inches |
| Specific Uses For Product | Hydroponic |
| UPC | 671341790808 |
| Unit Count | 400.0 Fluid Ounces |

## Product Details

- **Brand:** Jack's Classic
- **Item Form:** Powder
- **Item Weight:** 25 Pounds
- **Liquid Volume:** 1 Quarts
- **Specific Uses For Product:** Hydroponic

## Images

![Nutrients 15-0-0 Part B Calcium Nitrate Water-Soluble Fertilizer for Calcium Uptake and Strong Leaf Growth in Continuous Liquid Feed Programs, 25lbs - Image 1](https://m.media-amazon.com/images/I/71QIMn9XrkL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Always Great Results
*by C***A on May 18, 2025*

Can’t go wrong with Jack’s 321 line of products as long as it’s mixed properly. Always thumbs up!

### ⭐⭐⭐⭐⭐ Never disappointed
*by J***C on October 3, 2025*

I've used this for years and its never disappointed.

### ⭐⭐⭐⭐⭐ Jacks 321 for the win!
*by J***. on June 15, 2025*

I started using the Jacks 321 formula in hydro and now use it in all my grows.

## Frequently Bought Together

- Jack's Classic Nutrients 15-0-0 Part B Water-Soluble Fertilizer for Calcium Uptake and Strong Leaf Growth in Continuous Liquid Feed Programs, 25Lbs
- Jack's Classic Nutrients Hydroponic 5-12-26 Professional Fertilizer Part A, 25 lbs

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-02-06*