Collection: OB Substrates

OB Substrates are a trusted brand in growing media, providing growers with high-quality coco coir and coco-perlite substrate mixes designed to support strong root development and healthy plant growth.

Their products are widely used by hobby and commercial growers looking for reliable growing media for hydroponic, coco, and indoor cultivation systems.

OB Substrates place consistency, cleanliness, and cultivation performance at the forefront of their products, developing substrate blends engineered for optimal aeration, water retention, and nutrient uptake throughout every stage of cultivation. Recognised by indoor growers for dependable quality and practical growing performance, OB Substrates products are trusted across grow tents, grow rooms, and commercial cultivation environments where stable root conditions and healthy plant development are essential.