--- product_id: 64484146 title: "Jack's Nutrients 15-0-0 Part B Calcium Nitrate, 25lb" brand: "jack's classic" price: "$521.01" currency: USD in_stock: true category: "Jack's Classic" url: https://www.desertcart.ec/products/64484146-jacks-nutrients-15-0-0-part-b-calcium-nitrate-25lb store_origin: EC region: Ecuador --- # Optimized for hydroponic continuous feed Water-soluble powder for easy mixing 15-0-0 Nitrate-Calcium ratio Jack's Nutrients 15-0-0 Part B Calcium Nitrate, 25lb **Brand:** jack's classic **Price:** $521.01 **Availability:** ✅ In Stock ## Summary > 🌱 Feed smarter, grow stronger — unlock your plants’ full potential! ## Quick Answers - **What is this?** Jack's Nutrients 15-0-0 Part B Calcium Nitrate, 25lb by jack's classic - **How much does it cost?** $521.01 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/64484146-jacks-nutrients-15-0-0-part-b-calcium-nitrate-25lb) ## 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 for continuous liquid feed systems with clear mixing ratios for consistent plant nutrition. - • **Trusted & Proven:** Highly rated with 4.7 stars from 600+ users, powering professional and hobbyist gardens alike. - • **Effortless Mixing:** Water-soluble powder dissolves quickly, letting you prepare gallons of liquid fertilizer with ease. - • **Customizable Simplicity:** Two macronutrients only—perfect for tailoring micronutrient blends to your plants’ unique needs. - • **Precision Nutrient Delivery:** 15-0-0 formula ensures rapid calcium and nitrate uptake for robust leaf growth. ## Overview Jack's Nutrients 15-0-0 Part B Calcium Nitrate is a 25lb water-soluble powder fertilizer designed for hydroponic and soil applications. It delivers a precise 15-0-0 ratio of nitrate nitrogen and calcium to promote strong leaf growth and calcium uptake. Easily mixed at 8.6 ounces per 100 gallons, it supports continuous liquid feeding programs and pairs seamlessly with Jack's Part A formula for balanced plant nutrition. ## Description desertcart.com : Jack's Nutrients 15-0-0 Part B Calcium Nitrate, 25lb | Part 2 of a 2-Part Sytem, Powdered, Water-Soluble Fertilizer for Calcium Uptake and Strong Leaf Growth, Liquid Feed : Patio, Lawn & Garden ## 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 micronutrient needs of your plants separately for best results. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07CY62XXP | | Application Method | Dissolve in water | | Best Sellers Rank | #56,674 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,252 in Garden Fertilizers | | Brand Name | Jack's Classic | | Coverage | 25 | | Customer Reviews | 4.7 4.7 out of 5 stars (611) | | Item Form | Powder | | Item Highlight | Part 2 of a 2-Part Sytem, Powdered, Water-Soluble Fertilizer for Calcium Uptake and Strong Leaf Growth, Liquid Feed | | Item Weight | 25 pounds | | Liquid Volume | 1 quarts | | Manufacturer | JR Peters | | Mixing Ratio | 8.6 ounces per 100 gallons | | Model Number | 79080 | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | 79080 | | Specific Uses For Product | Leaf Growth, Plant Growth | | Target Species | plants | | UPC | 671341790808 | | Unit Count | 400 Ounce | ## Product Details - **Brand:** Jack's Classic - **Item Form:** Powder - **Item Weight:** 25 pounds - **Liquid Volume:** 1 quarts - **Specific Uses For Product:** Leaf Growth, Plant Growth ## Images ![Jack's Nutrients 15-0-0 Part B Calcium Nitrate, 25lb - Image 1](https://m.media-amazon.com/images/I/41Um2zX2fcL.jpg) ![Jack's Nutrients 15-0-0 Part B Calcium Nitrate, 25lb - Image 2](https://m.media-amazon.com/images/I/41OIxjJHyLL.jpg) ![Jack's Nutrients 15-0-0 Part B Calcium Nitrate, 25lb - Image 3](https://m.media-amazon.com/images/I/51Ow5KwLBEL.jpg) ![Jack's Nutrients 15-0-0 Part B Calcium Nitrate, 25lb - Image 4](https://m.media-amazon.com/images/I/51DiT-YDhaL.jpg) ![Jack's Nutrients 15-0-0 Part B Calcium Nitrate, 25lb - Image 5](https://m.media-amazon.com/images/I/41AYR6hIC+L.jpg) ## Available Options This product comes in different **Size** options. ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ec/products/64484146-jacks-nutrients-15-0-0-part-b-calcium-nitrate-25lb](https://www.desertcart.ec/products/64484146-jacks-nutrients-15-0-0-part-b-calcium-nitrate-25lb) --- *Product available on Desertcart Ecuador* *Store origin: EC* *Last updated: 2026-09-16*