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Coco Coir (Dry Block)
£4.99
650g Compressed Coco Coir Substrate Block
Ideal for mushroom cultivation, horticulture, and soil conditioning, this 650g block of dry coco substrate is made from premium-grade, sustainably sourced coconut husk fibers. When hydrated, it expands to yield approximately 8–10 liters of fluffy, well-aerated coco coir—perfect for maintaining optimal moisture and promoting strong root or mycelial development.
- Size (dry): 650g block
- Expansion: Yields ~8–10L when fully hydrated
- pH balanced and low EC for reliable performance
- 100% natural, biodegradable, and reusable
- Excellent water retention and aeration balance
- Suitable for mushroom cultivation, seed starting, houseplants, and hydroponics
Additives such as Gypsum can be purchased here
Easy to store, lightweight, and clean to handle, this coco coir substrate is a versatile and eco-friendly growing medium for both home and professional use.