The Harvest Company Buffered coir is great for heavy feeding plants or plants requiring high fertilizer levels and aids in the increase of Yield The Harvest Company Premium Coconut Coir Growing Media is buffered to perfection assuring proper nutrient uptake when adding organic or non-organic fertilizers. Premium, Buffered, renewable media Ideal pH for plant growth Promotes strong root growth and plant vigor No wetting agents required Reduces water frequency without plant stress Able to hold high amounts of water, while maintaining excellent aeration Compressed for easy storage and transportation Coir uses include: Outdoor gardening and landscaping Hydroponic vegetable/flower production Potted plant production Soil amendment Garden soil Worm casting Roof top gardening Green house propagation & growing Mushroom production Co-substrate for compost Reptile bedding (terrarium substrate) Instructions for use: To expand The Harvest Company coco coir block: take coir out of plastic package, soak in about 9 gallons of water. The block fluffs into approximately 2 cubic feet or about 18 gallons of ready to use premium coir. Use as a soil amendment or mix with grow rocks, perlite, vermiculite or your favourite soil or soilless media.