Bettergrow Clay Pebbles are medium-grade clay pebbles (8–16 mm) for use in terrariums, humidity trays, and repotting mixes.

Manufactured from clay which is heated to a very high temperature to produce lightweight, hard pebbles with a smooth skin and an expanded honeycomb core.

These pebbles absorb water and then slowly release it to the plant helping to improve drainage and avoid water-logged roots. Their cellular structure also has outstanding insulating propertie