Description Canna Clay Pebbles 45 L Canna Clay Pebbles are used in hydroponic systems as a medium to support the plant. They do not affect pH and provide excellent drainage. They are made from a special type of clay which is heated to a high temperature because the pebbles drain freely and don’t hold excessive water, they provide good oxygen levels around the root zone and are suitable for flood and drain systems. *Heavy Item Delivery Policy*
