For storage of water to be used for gardening and washing that could save you 1000s in the long term
use when there is a water shortage and use when there is a water surplus
water tanks are good for the environment because they only use rain water rather then water from dams
So you can use gravity rather then a pump to get water out of them.
Water tanks are a way for people to have fish in their home so they can they enjoy them. There are also water tanks inside each home that hold water for people to use so they can shower, drink, and wash dishes and clothes.
Distilled water from you local grocery store or walmart.
A water container is a vessel used to store, carry, or transport water. It can range from small bottles to large tanks like IBC Tote Tanks for industrial use.
Submarines change their depth by use of ballast tanks. To dive, they open their tanks so that they become filled with water. They also angle their dive planes. To surface, they pump the water out of their tanks and fill them with pressurised air.
I would use a cleaning tube or use a bowl or something
You can, alternatively, you can place the water tanks on your roof for a somewhat naturally heated source of water.
There is no information on where, when and who created the first rainwater tanks. Rainwater tanks have been used for centuries as a way to collect rain water and then use it for drinking, bathing, and cleaning.
septic tank
Add a few sea shells.