Exo Terra Sub Stratum - Bioactive Volcanic Substrate filter Suitable for aquariums up to

Suitable for aquariums up to 55 L (15 US gal)

Durable cage with chew-proof locks and wire for maximum safety and security

A specially designed lock will prevent escape and the doors can be opened separately

Resin raven skull is made of resin

5 liter (0

Exo Terra Sub Stratum - Bioactive Volcanic Substrate filter Suitable for aquariums up to3 Ways to use Sub Stratum: As a sole substrate As a drainage layer Mixed in with other substrates Sole Substrate When Exo Terra's Sub Stratum is used as the sole substrate, add a layer of 2,5 5 cm (1 2 in) to the terrarium. The live bacteria will activate when the substrate comes in contact with water or waste. The organic matter such as left over food and animal waste will decompose over time. The absorbing properties of volcanic ash will eliminate