What is the Life of this Ball?

Minimum 1 year. Maximum 2 years.

Will there be any change in water after putting this ball?

There will be no change in Chemical or Physical properties of water. There will be only a change in the structure of water, which gets changed to the desired frequency.

How safe is this water?

Since it is water only and no preservative chemicals are added to the water, it is totally safe.

One ball can be put in how many liters of water?

1 ball can be put in upto 5 liters of water. After the water is used you can again make another 5 liters.

Can this water remove odour / smell also?

Yes. You can wash the smelly areas in your house like fish cooked kitchen, Dog Kennels, Garbage bins, Toilets etc., The odour will be instantly neutralized.