Microbe-Lift Lice & Anchor Worm Salt-Freshwater 4 Oz Microbe-Lift Lice and Anchor Worm is for the treatment of conditions caused by Fish Lice (Argulus) and Anchor Worms (Lerea). This treatment is safe for all ornamental aquarium fish, reptiles, amphibians and mollusks, including freshwater and marine pets. Treats conditions caused by Fish Lice and Anchor WormFor use with all ornamental aquarium fish