Easy Life Aquarium Freshwater & Marine Natural First Aid Treatment Voogle 250Ml Voogle has no toxic effect on fish, shrimps, crabs, snails, plants or the biofilter. Voogle quickly helps all freshwater and saltwater fish. It supports the natural healing process. Does not affect the important water parameters or in any way compromise the resistance of fish. Voogle reinforces the health of fish and strengthens their immune system. 250ml