Interpet anti slime and velvet treatment 100mlr fish often carry a small population of skin and gill parasitesr when fish are stressed this population will rapidly increaseinterpet no7 slime and velvet will eradicate oodinium and flukes as well as protozoan parasitesr for use in coldwater marine and tropical freshwater systemsr harmless to plant filters and all species of fish except mormyrids elephant nose fishr symptoms of slime and velvet diseaser r flicking and rubbing against obj