Isopods make great pets or as bioactive feeders clean-up crew for your vivarium. This substrate mix allows isopods to maintain a natural environment in their enclosure. Place around a 4” layer of substrate in your vivarium and mist with clean water. Moisture is important to maintain isopods and their breeding process however DO NOT over water the substrate. Ingredients include Peat moss, decayed hard wood, hard wood saw dust, bat guano, earthworm casting, limestone powder, aspens shavings, sphagnum moss.