The white residue can be a small build up on your shower door or dishes of a milky white film.  Or hard scaly white build up in a coffee pot or kettle, or dishwasher element.

·         This can be from hard water building up on solid surfaces.  If this is the cause of the buildup we recommend salt free conditioner (SSoft Redox) will deal with the hardness while the salt free conditioner or special alkalinity softener will deal with alkalinity spotting