| What is hard water in the first place? Water that is | | | | completely remove the mineral deposits you know the |
| classified as "hard water" typically contains calcium or | | | | glass has been etched. Etched glass is considered |
| magnesium and/or bicarbonate alkalinity. | | | | damaged glass and usually cannot be repaired. |
| If hard water is left to dry on the surface of glass | | | | Prevent your windows or shower doors from |
| such as shower doors and windows, minerals will be | | | | becoming damaged by mineral deposit etching. First |
| left behind. This is typically not a problem if the deposits | | | | you need to start with a new or clean glass surface |
| are removed immediately using a light acid base | | | | that is free from any debris. Then coat the surface of |
| cleaner. | | | | the glass with a coating such as Rain X. This barrier |
| Each time hard water comes in contact with the glass, | | | | will help keep the minerals from creating that tough |
| it will build a new layer of mineral deposits. If not | | | | chemical bond with the glass. |
| cleaned off, the layers will build to a white, chalky or | | | | When you notice that the deposits are starting to build |
| cloudy looking film. Over time, the deposits slowly start | | | | again clean it off right away with an acid base cleaner. |
| a process called etching. Etching is when the minerals | | | | Rinse, dry and apply a new coat of glass sealer. This |
| start a chemical bond with the glass. When this | | | | process may have to be repeated throughout the |
| happens you will find that most cleaners are not very | | | | year depending on how hard the water is and how |
| effective in the removal process. | | | | often it comes in contact with the glass. |
| When regular acid base cleaners will no longer | | | | |