Marishells Crushed Oyster Shells Coarse 1 Kg

Natural Calcium for Soil, Gardens & Poultry Grit

Improve soil health naturally with Marishells Crushed Oyster Shells Coarse 1kg, a premium marine mineral product made from sustainably sourced oyster shells in the Philippines. Rich in natural calcium carbonate, this coarse-grade oyster shell helps balance soil pH, improve drainage, strengthen plant growth, and support healthy root development.

The coarse texture also makes it ideal as a natural poultry grit supplement for chickens and other birds, helping aid digestion and calcium intake.

Perfect for:

• Gardening & soil conditioning
• Agriculture & landscaping
• Compost enrichment
• Poultry feed supplement (grit)
• Organic farming applications

Product Benefits

✔ Natural source of calcium carbonate
✔ Helps improve soil structure & aeration
✔ Supports healthy plant growth
✔ Assists in balancing acidic soil pH
✔ Sustainable marine-derived mineral
✔ Made in the Philippines

Product Specifications

• Product Type: Crushed Oyster Shells – Coarse Grade
• Net Weight: 1kg
• Origin: Philippines
• Composition: Natural Calcium Carbonate (CaCO₃)
• Packaging: Eco-friendly kraft stand-up pouch

Typical Analysis

• Calcium Carbonate (CaCO₃): 85–95%
• Calcium (Ca): 30–34%
• Magnesium (Mg): 0.5–1.5%
• Moisture Content: Up to 5%

Directions for Use

Mix directly into soil, compost, garden beds, or poultry feed as needed. Suitable for home gardens, farms, landscaping projects, and general mineral applications.

Marishells delivers high-quality marine mineral products designed for sustainable agriculture and environmental applications worldwide.