Spongease is a planting mix made from the husk of the coconut. Compressed for easy storage, just add water to expand to 5 times it's original size creating the perfect potting soil. It's light, fluffy and will provide vital oxygen to the roots of your plants and drain off excess moisture! This is the exact coco "coir" or coco peat growing media that professional growers worldwide, use for crops including lettuce, tomatoes, peppers, cucumbers, eggplant, fruits, berries, landscape plants, roses and more. It is also popular for reptile bedding, worm farming and mushroom cultivation. Our coir is washed, with low salt and a neutral pH of 5.5 to 6.5.. perfect for growing!