Triumph Plant Coconut Coir Bricks for Potted Plants, Garden, Planting Beds and Worm Farms- Blocks Average Weight 10 Ounces Each (5 pack) Helps keep moisture in soil. Excellent for aeration and drainage. Mixes well with compost and nutrients to naturally provide eco friendly environment for roots to grow in containers, planters or beds. Natural sustainable organic alternative to peat moss. Use for indoor or outdoor plants. Environmentally friendly pith is fine husk fibers from coconuts and can be used in greenhouses, landscaping, garden beds, individual pots, terrariums, grow bags, vertical gardens or container gardens on the patio. These compressed coco fiber blocks are a perfect growing medium and can also be used to start seeds or roots in a pot or planter. Odorless, pH Balanced, Free of Bacteria and most Fungal Spores, low in natural salts, no weeds or pests. Great bedding material for red wigglers and worm farms. Used for all types of plants including bonsai, cactus, orchid, roses, mushrooms, potato and hydroponics. Keeps nutrients and moisture close to plant roots. Easy to use convenient size block: Soak in water to expand then mix with potting soil. Bricks range from 8 ounces to 13 ounces each and 10 ounces on average. Each brick holds 4 to 5 quarts of water, or 8 to 10 times its volume in water. Typical use is 2 parts soil to 1 part coir. A little goes a long way!