CGI Aquatic Care Large Custom Aquariums Now in Jacksonville, FL. 904.588.2700. Jacksonville, Florida's top company for large custom fish tanks and Large custom aquariums of all types. We provide Custom designed aquariums, large fish tanks, commercial aquariums, custom made fish tanks and fish tank installation. Please see gallery at our website www.cgiaquaticcare.com or www.cgiaquaticcarejacksonville.com