--- product_id: 472568704 title: "Crushed Oyster Shell Calcium Supplement, 6 Pack, 5 lb Bags | High-Calcium Oyster Shell Supplement, Supports Strong Eggshells & Healthy Egg Production, Six 5 lb Bags" brand: "manna pro" price: "€ 433.68" currency: EUR in_stock: true reviews_count: 10 category: "Manna Pro" url: https://www.desertcart.hr/products/472568704-crushed-oyster-shell-calcium-supplement-6-pack-5-lb-bags store_origin: HR region: Croatia --- # Heat-treated purity Stronger eggshells Natural calcium boost Crushed Oyster Shell Calcium Supplement, 6 Pack, 5 lb Bags | High-Calcium Oyster Shell Supplement, Supports Strong Eggshells & Healthy Egg Production, Six 5 lb Bags **Brand:** manna pro **Price:** € 433.68 **Availability:** ✅ In Stock ## Summary > 🥚 Crack the code to flawless eggshells with Manna Pro! ## Quick Answers - **What is this?** Crushed Oyster Shell Calcium Supplement, 6 Pack, 5 lb Bags | High-Calcium Oyster Shell Supplement, Supports Strong Eggshells & Healthy Egg Production, Six 5 lb Bags by manna pro - **How much does it cost?** € 433.68 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/472568704-crushed-oyster-shell-calcium-supplement-6-pack-5-lb-bags) ## Best For - manna pro enthusiasts ## Why This Product - Trusted manna pro brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Heat-Treated for Safety:** Purity guaranteed through heat treatment, protecting your flock’s health. - • **Boosts Eggshell Strength:** Reduces cracked and weak eggs, delivering flawless eggs every time. - • **Versatile & Multi-Purpose:** Perfect for poultry health and even enhances soil quality for plants. - • **Natural Calcium Powerhouse:** Sourced from premium crushed oyster shells for optimal calcium absorption. - • **Precision Pullet-Size Granules:** Easily consumed by young hens, ensuring consistent intake and growth. ## Overview Manna Pro Crushed Oyster Shell Calcium Supplement delivers a natural, heat-treated source of calcium in pullet-sized granules, designed to support strong eggshell formation, bone health, and overall wellbeing for young laying hens and poultry. This 6-pack of 5 lb bags ensures your flock thrives with healthier, more resilient eggs, while also offering versatile use in horticulture. ## Description Whether you own a backyard flock or raise champion birds, we know how fulfilling it is to check your nesting boxes and find perfect, beautiful eggs. Avoid cracked or broken eggs with Manna Pro Oyster Shell. Effective and convenient, it helps reduce the number of weak, soft or broken shells by naturally adding calcium to your flock's diet. It's as simple as that! Add Manna Pro Oyster Shell to your mix and enjoy finding gorgeous eggs every time! Review: Very Very Solid Choice - Gets the job DONE. It is healthy for my girls, it doesn't alter their taste, it has great texture, it has zero odor, and is super easy to use. However, if you free range your flock, then you do not need this, as they will find there own calcium sources and most feeds already have it in them. Review: Oyster Shell for Horticulture Soil - Absolutely Amazing! I am not using this for livestock, I am using it for horticulture and plants. This is 100% perfect for Cacti and Succulents soil mixtures. Great drainage, perfect. ## Features - PULLET-SIZE CRUSHED OYSTER SHELL: Crushed to pullet size for easy consumption; providing a natural source of calcium to support strong eggshell formation, bone health, and overall wellbeing for young laying hens and growing poultry. - GREAT SOURCE OF CALCIUM: Provides a natural source of calcium; supporting strong eggshell formation, bone health, and overall growth while helping young hens and poultry maintain proper skeletal development and overall wellbeing. - BUILDS STRONG EGGSHELLS: Supports proper calcium intake; helping young hens and pullets develop strong, healthy eggshells while promoting overall bone health, growth, and long-term productivity in your flock - HEAT-TREATED FOR PURITY: Carefully heat-treated to ensure purity; providing a safe, high-quality source of calcium that supports strong eggshell formation, bone health, and overall wellbeing for pullets and young laying hens. - CALCIUM FOR GROWING HENS: Sourced from high-quality oyster shells; supporting proper skeletal development, strong eggshell formation, and overall health while helping young laying hens and pullets thrive and reach their full potential. ## Technical Specifications | Specification | Value | |---------------|-------| | Age Range (Description) | Adult | | Brand | Manna Pro | | Flavor | Chicken | | Item Form | Granule | | Item Weight | 30 pounds | | Number of Items | 6 | | Special Ingredients | Calcium,Chicken | | Specific Uses For Product | Laying Hen Feed | | Unit Count | 480 Ounce | ## Product Details - **Age Range (Description):** Adult - **Brand:** Manna Pro - **Flavor:** Chicken - **Item Form:** Granule - **Specific Uses For Product:** Laying Hen Feed ## Images ![Crushed Oyster Shell Calcium Supplement, 6 Pack, 5 lb Bags | High-Calcium Oyster Shell Supplement, Supports Strong Eggshells & Healthy Egg Production, Six 5 lb Bags - Image 1](https://m.media-amazon.com/images/I/61yd4unyz2L.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Very Very Solid Choice *by H***Y on June 5, 2026* Gets the job DONE. It is healthy for my girls, it doesn't alter their taste, it has great texture, it has zero odor, and is super easy to use. However, if you free range your flock, then you do not need this, as they will find there own calcium sources and most feeds already have it in them. ### ⭐⭐⭐⭐⭐ Oyster Shell for Horticulture Soil *by W***Z on April 27, 2026* Absolutely Amazing! I am not using this for livestock, I am using it for horticulture and plants. This is 100% perfect for Cacti and Succulents soil mixtures. Great drainage, perfect. ### ⭐⭐⭐⭐⭐ Happy Chickens *by T***Y on July 9, 2026* Chickens peck it. ## Frequently Bought Together - Manna Pro Crushed Oyster Shell for Laying Hens - Laying Chicken Oyster Shell - 6-Pack of 5lbs - Manna Pro Poultry Grit with Probiotics | Insoluble Crushed Granite | 5 LB - Manna Pro Omega Egg Maker, Chicken Feed Supplement for Laying Hens, Poultry Food with Omega-3 Fatty Acids, Digestion Support with Fortified Vitamins & Minerals, 5 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.hr/products/472568704-crushed-oyster-shell-calcium-supplement-6-pack-5-lb-bags](https://www.desertcart.hr/products/472568704-crushed-oyster-shell-calcium-supplement-6-pack-5-lb-bags) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-09-03*