--- product_id: 64484146 title: "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" brand: "jack's classic" price: "$390.49" currency: USD in_stock: true category: "Jack's Classic" url: https://www.desertcart.us/products/64484146-jacks-nutrients-15-0-0-part-b-calcium-nitrate-25lb store_origin: US region: United States of America --- # Optimized for strong leaf growth Water-soluble powder for easy mixing 15-0-0 Nitrate-Calcium ratio 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 **Brand:** jack's classic **Price:** $390.49 **Availability:** ✅ In Stock ## Summary > 🌱 Feed your future with precision and power! ## Quick Answers - **What is this?** 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 by jack's classic - **How much does it cost?** $390.49 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/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, maximizing growth in soil-free setups. - • **Trusted & Proven:** Highly rated with 4.7 stars from 610+ users, a top choice for serious gardeners and pros alike. - • **Effortless Mixing:** Powdered concentrate dissolves quickly—just 8.6 oz per 100 gallons for a perfect 100 PPM nitrogen feed. - • **Customizable Simplicity:** Two key macronutrients only—ideal for tailoring micronutrient blends to your plants’ unique needs. - • **Precision Nutrient Delivery:** 15-0-0 formula ensures rapid calcium and nitrate uptake for vibrant, healthy plants. ## Overview Jack's Nutrients 15-0-0 Part B Calcium Nitrate is a 25lb water-soluble powdered fertilizer designed as the second part of a two-part system. It delivers highly available calcium and nitrate nitrogen to promote strong leaf growth and optimal plant health. Perfect for hydroponic and soil applications, it mixes easily at 8.6 ounces per 100 gallons to provide a precise 100 PPM nitrogen feed. Trusted by thousands, it offers simplicity and customization for professional-grade nutrient management. ## 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 | | Best Sellers Rank | #46,611 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,214 in Garden Fertilizers | | Brand Name | Jack's Classic | | Coverage | 25 | | Customer Reviews | 4.7 4.7 out of 5 stars (610) | | Item Form | Powder | | 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 | | 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 | Part 2 of a 2-Part Sytem, Powdered, Water-Soluble Fertilizer for Calcium Uptake and Strong Leaf Growth, Liquid Feed - Image 1](https://m.media-amazon.com/images/I/71QIMn9XrkL.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.us/products/64484146-jacks-nutrients-15-0-0-part-b-calcium-nitrate-25lb](https://www.desertcart.us/products/64484146-jacks-nutrients-15-0-0-part-b-calcium-nitrate-25lb) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-01*