Your one stop shop for "Everything Discus" Guaranteed Quality & Experience At Discus Madness, we are breeders and suppliers of hand-selected disease-free Discus. Our showroom is located in Union County New Jersey, just 20 minutes from New York City. We offer a very large selection of Discus fish and their freshwater fish tankmates. All of our fish are Grade A quality and hormone free. We strive to provide you with the widest array of aquatic products to maintain and care for our Discus fish and aquariums.