CGI Aquatic Care Saltwater Fish Tanks Now in Jacksonville, Florida. 904.588.2700. Jacksonville's top service for saltwater fish tanks. Over 23 years with saltwater fish tanks and saltwater aquariums. We provide service, sales and aquarium maintenance for all saltwater fish tanks. Please see our saltwater fish tanks at our website gallery at www.cgiaquaticcare.com OR www.cgiaquaticcarejacksonville.com for more photos and more videos of Jacksonville saltwater fish tanks.