Fish are a popular pet choice, and keeping them healthy and happy requires the right water care and salt and mineral levels. Salt and minerals are essential for maintaining the proper balance of salt and minerals in the water, as well as for providing the necessary nutrients for the fish. The right water care and salt and mineral levels can help keep fish healthy and happy, and can also help prevent diseases and other health problems. Water care products such as water conditioners, dechlorinators, and water test kits can help ensure the water is of the right quality and the right salt and mineral levels are maintained. Salt and mineral supplements can also be used to provide the necessary nutrients for the fish.