Why Do Dishwashers Need Salt? [How Much + How Often It’s Needed?]
We all add salt regularly to our dishwashers, and when the salt levels fall, the machine blinks an alarm signal. So why do dishwashers need salt? Dishwashers need salt to decrease the water hardness, which means removing calcium and magnesium salts from the water. This process is needed because it allows the washing detergent to …
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