Types of Growing Media
Choosing the right growing medium for indoor cannabis cultivation is no simple matter.
Growers need a substrate that has high porosity and proper consistency, retains a moderate amount of water between irrigations, drains and dries rapidly, is free from pests and pathogens, and strikes a good balance between physical and chemical properties.
Growing media may consist of organic components derived from natural matter—such as peat, coir, wood, bark, compost or biochar—or inorganic materials like perlite, expanded clay, pumice, rockwool or vermiculate. And …