Exo Terra Sub Stratum - Bioactive Volcanic Substrate - 4 kg (8.8 lb) Saltwater Lighting Eliminates undesirable surface films to

Eliminates undesirable surface films to improve water quality

#1333 in the series

Outside parts are made of wood

the container can be turned to the desired angle

Exo Terra Sub Stratum - Bioactive Volcanic Substrate - 4 kg (8.8 lb) Saltwater Lighting Eliminates undesirable surface films to3 Ways to use Sub Stratum: As a sole substrate As a drainage layer Mixed in with other substrates Sole SubstrateWhen 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