When I was setting up our Bosch dishwasher, there was a water hardness option. The machine has a built-in salt tank and is fully capable of regulating water ha

When I was setting up our Bosch dishwasher, there was a water hardness option. The machine has a built-in salt tank and is fully capable of regulating water hardness on it's own. You just have to top it up every now and then.