CLEAN BALL / water clean

Dirty water polluted our rivers and lakes. But local people can't do anything for it. Clean ball free the river from pollution and everyone can do it. The clean ball detected the condition of native water every time. Local people can express their concern for the river or lakes by clean ball. When the people see the light of caution, instead of using a coin to feed the fish, they can use a coin to release the clean ball's microorganism to clean the water. To make more friendly environment for native animals.