What you ought to know About Owning an Aquarium contains:Learning About What Fish to BuyFeeding Your FishWhat Are InvertebratesChoosing the Best AquariumHeating and Lighting Your AquariumAll about FiltersAccessories to Delight Your FishAbout SaltwaterSetting Up the AquariumWhat is the Nitrogen Cycle?What about AlgaeKeeping the Aquarium CleanWhat to Feed Your FishFish Diseases and TreatmentFish and Invertebrates to Avoid