Exo Terra Sub Stratum - Bioactive Volcanic Substrate - 4 kg (8.8 lb) Filter Insert Cut out in the back

Cut out in the back for wires and/or tubing

and freshwater mussels])

Water testing is an important part of boosting and maintaining tank health to ensure optimal aquarium conditions

but not limited to: Astaxanthin

Crude Fiber (max) 8

Exo Terra Sub Stratum - Bioactive Volcanic Substrate - 4 kg (8.8 lb) Filter Insert Cut out in the back3 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