ACTIVATED CHARCOAL – ACTIVE CARBON Activated charcoal is one of the most important igredients in building closed terrariums. It prevents fungus, mold & algae from growing & spreading within the ecosystem. It acts as a filter & helps absorbing odours too. Widely use in aquarium filters. Fraction: 1-2mm Sold in bags. 50g 100g 200g 500g 1kg 2kg Check our Etsy shop http://www.glassgardenslondon.etsy.com/ to find more interesting products! Find us on social medias: Facebook: www.facebook.com/glassgardenslondon Instagram: www.instagram.com/glassgardenslondon We offer bespoke made terrariums for order – if you are from West London send us a message! Activated Charcoal Granules 1-2mm | Terrarium Supplies Drainage Layer Active Carbon For Terrariums, Aquariums, Paludariums Filters