Improves soils, retains moisture and adds drainage in potting mixes. A Premium grade ingredient for gardeners wanting to create their own mixes. FEATURES Debco Horticultural Charcoal is chunky and lightweight, retains moisture and loosens up mixes and soils allowing room for root system development Charcoal can also be used as a top dress to act as a filter to purify air and water passing through it Perfect for growing Orchid Epiphytes, fish tanks and terrariums Horticultural Charcoal is organic matter primarily composed of carbon Ideally used as a conditioner to improve potting and planting mixes Helps with drainage and contains natural phenols which aid in preventing plant disease SUITABLE FOR Debco Horticultural Charcoal is ideal in the following applications: Epiphytic orchid mix Terrestrial orchid mix A key ingredient in Terrariums.