Potting mix The formula for 5-blend soil mix of coco coir, peat moss, pine bark, perlite & pumice is meticulously reseached to ensure proper drainage, nutrient delivery to plants & oxygen supply to roots. | Coarse pumice The substrate layer of coarse pumice is typically 1-2 inches thick & designed to provide drainage for excess water in the terrarium. It also provides a stable base for the rest of the terrarium, keeping the soil from shifting & preventing soil compaction | Sphagnum moss Sphagnum moss is a versatile component that performs several functions, including moisture retention, nutrient absorption, and decorative purposes within the terrarium. | White pebbles & gravel pebbles Being used for decorative purposes, white pebbles & gravel pebbles create a visually appealing landscape, complement the plants & other elements of the terrarium. |