Check the listing for details. Coconut Coir Coco Peat Organic Soil Media Hydroponics Substrate. Condition: New. Listed at 6.80 USD. Coconut substrate briquette. Universal coconut substrate for planting and transplanting flowers, houseplants, planting bulbs and sowing seeds. The substrate can be mixed in equal parts with the garden soil and used for mulching plants and shrubs. With a packing: 5L (300g) Application: put the briquettes in the container in which you want to plant, aplejiet with 1.5 liters of lukewarm water, wait about 15 minutes. Stir before use. With a packing: 10L (600g) Application: put the briquettes in the container in which you want to plant, aplejiet with 3 liters of lukewarm water, wait about 15 minutes. Stir before use. With a packing: 20L (1200g) Application: put the briquettes in the container in which you want to plant, aplejiet with 6 liters of lukewarm water, wait about 15 minutes. Stir before use. Volume conversation to US 1 litre = 0.26 gal