Live White Dwarf IsopodsA simple way to keep bioactive setups clean and balanced. This white dwarf isopod culture (Trichorhina tomentosa) is supplied in a cup containing 10 live isopods, ready to introduce directly into moist substrate. White dwarf isopods live within the soil, where they feed on decaying plant matter and organic waste, helping reduce mold and maintain a healthy substrate layer. They establish easily in humid environments and reproduce on their own once