Why you throw coin

Why you throw coin?
Hindu religion is started from India. On those days most of the people used to stay near the bank of the water source so that they will have no problem of water. Everyone used to depend on that water resource. They use to depend on that as well as they used to worship that as well.
People that time knew that you need to drink healthy water and those days those resources were only the source of water. Those days coin used to be made from copper and this is the element that is very god for our health.

Sinking copper on the water will react and that water would be good for health and the copper pulls the dirt’s towards it and the clean water flows at the upper level.

This is the reason those days coins used to be thrown on the water and nowadays the coins are not made from copper and they are just following the old trend.