Filtration systems will also help to keep the water clear and could require less cleanings than an aquarium with out a filtration system. Also, be sure that you simply acquire rock, which serves as not only decoration but in addition houses a good suggestion micro organism. Decorations also are a must, as they deliver a must-have hiding places for your fish. Goldfish want to be fed at least a few times day by day. You can purchase flake or pellet food for goldfish to eat. It`s also a good suggestion to offer them brine shrimp as well as they help to boost your pets immune system and fight off illness.