Dymax Ultra Black Water is an expertly formulated conditioner that includes natural leaf extract. It mimics the Amazon River's environment to provide a stress-free habitat for softwater fish. This promotes breeding, vibrant colors, and increased activity, while also strengthening disease resistance. Suitable for a wide range of soft water fish, including Angel, Neons, Barbs, Discus, Arowana, Stingrays, Catfish, Pleco, and aquatic plants. Product comes in a 500ml bottle.