Tanks and tank equipment refers to water tanks primarily used for the storage of water, however chemicals and other substances, such as petrol or liquid gas, can also be substituted for water. In this case tanks and tank equipment are part of the Utilities and Environmental Services industry. The military vehicle definition of Tanks and tanks designed to store animals, such as fish tanks, are not referred to under this heading. A tank used for the retention of liquids is a hollow vessel, enclosed on all sides typically by steel or hard plastic.
The most common use of a tank is for the collection of rainwater. Rainwater tanks come in many shapes and sizes and can be custom designed to fit a specific space and serve a specific purpose, such as the collection of rainwater for use in residential or commercial gardens and toilets or other greywater systems.
A rain tank may require the need for additional accessories such as a pump or filter to ensure a higher quality of water. A rain tank is usually located above ground however they are often installed below ground, for example if space is hard to come by. Most water tanks collect run-off, or harvest water, from residential garages, gazebos and roofs. Tanks for the collection of water are often supplied to the public in a prefabricated form, and can be delivered and installed as required. Businesses selling tanks and tank equipment can be found in both metropolitan and rural locations, accepting most forms of payment. Popular local brands include Nylex and Aquamate, however many manufacturers and distributors of tanks produce their own or design a tank to suit client needs.