komodo komodo caco zand zwart4 kg Komodo calcium sand creates a natural and realistic substrate for any terrarium. Made from 100% natural calcium carbonate, the sand has been tested as safe and digestible should it accidentally be ingested by your reptile. The sand also conducts heat well and can therefore be used with a heat mat. Contents: 4 kg This sand is also available in the colours: caramel, dark red, mixed, green, purple, terracotta, turquoise, blue and white.