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You might try a manufacturer of water softeners and just ask them.

From bathroom scales to water softeners, learn about bath and laundry products.

The second is to install a water softener into the cold water supply.

A water softener works on the principle of 'ion exchange'.

A water softener with a capacity of 11,700 gallons per hour was added in 1939, at a cost of over £12,000.

The same is true for a built-in water softener.

It had a furnace and a water softener in it.

Using a water softener can help solve this problem, but how does it work?

She carries 50-pound bags of water softener down the stairs to her basement.

You've got a water softener as well haven't you?