28 gallon bio cube comes with everything u need to keep it running new lights still have original top circulation pump heater return pump and even a automatic top off system that will keep your salinity the same extra salt not much fish food water hose for water change maintenance solution everything g to keep you going magnet glass scrapper for algea clean up and a thermometer on the right side of the tank crushed coral for the bass of tank and dead coral for rock decor it’s a nice tank just don’t have the time for it thought I did but not so much fish are healthy 2 emerald crabs some snails blue damsel 2 clowns and a pink and blue goby all healthy fish as well have to come take down yourself but will help if your seriously going to buy thanks