Organic coconut bricks (coco coir) are a natural, compressed growing medium made from coconut husk fibers. They expand when hydrated and are widely used for houseplants, seedlings, and as a soil amendment.
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Key characteristics:
Water retention: Holds moisture well while still allowing excess water to drain, helping maintain balanced hydration.
Aeration: Provides a light, airy structure that supports healthy root development.
Use cases: Ideal for potting mixes, seed starting, cuttings, and improving soil texture.
Natural & eco-friendly: Organic and renewable material, usually low in nutrients and often pre-washed to reduce salts (varies by product).
Form & expansion: Sold as compact bricks that expand when soaked in water, producing up to 9 liters of substrate, making them easy to store and practical to use.