Coconut peat, often referred to as coconut coir or simply coir, is a natural fiber extracted from the husk of coconuts. It is a versatile and environmentally friendly material that has a variety of uses in gardening, agriculture, and various industries. Compression Ratio: Over 75 Liters/ Block. Impurities/sand: 3% Max. Moisture: 15-20% Max. PH: 5.8 to 6.8. Block Size: 30 x 30 x 15 cm.