Mardel Coppersafe - 4 oz

Get rid of unwelcomed parasites with Coppersafe by Mardel. Coppersafe is a stable, non staining copper concentrate that treats Ick, Velvet, and other external parasites that affect both freshwater and saltwater fish. This long lasting treatment remains active and maintains therapeutic levels for over a month in the aquarium. 16 oz treats 378 gallons. Remove invertebrates from tank during treatment. This treatment may be harmful to plants and some snails.