The CocoStar Coconut Brick 11 L weighs just 750 g in its dehydrated state and can be converted to 11-12 L of ready-to-use coconut substrate by adding 3 L of water. During a sophisticated production process the coconut substrate is washed with fresh water and adjusted to the correct pH (6,4) level. CocoStar Coconut Brick 11 L contains natural Trichoderma fungi which promote root growth, improve absorption of nutrients and increase the vitality of plants. The substrate is suitable for outdoor cultivation (gardens, balconies) and for cultivation under artificial light. Our products are 100% organic, biodegradable and environmentally friendly.