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Cleaning Window Hard Water Stains in the Treasure Valley

05 Apr
cleaning hard water stains boise

Hard Water Window Spots/Stains

If you live in Boise or surrounding areas, you have likely had to deal with the ugly grey hard water spots on your windows. And if you have been adventurous enough to attempt to clean them, you can relate with the frustration we have heard from many of our window cleaning customers.

We often begin working for customers because of their difficulty and frustration trying to remove hard water spots. As a result, we decided to write this short and simple guide to offer you some solutions that you can try.

What is Hard Water?

Hard water is water that contains a higher amount of calcium and magnesium. When water dries on your windows, these elements are left behind leaving a grayish hue on your windows.

In the Treasure Valley, Eagle, ID has the lowest amount of calcium and magnesium in their water supply. I personally live in SE Boise where the water is very hard and very likely to stain your windows.

How to Clean Hard Water off of Your Windows

The key to cleaning hard water spots is to clean them quickly. Do not let hard water spots sit on your windows very long because corrosion can occur. If you can clean the spots shortly after they appear, you can use the following techniques.

  1. Fill a spray bottle half full with filtered or distilled water.
  2. Fill the rest of the bottle with white vinegar (hard water spots are alkali, so you need an acid to remove them)
  3. Mix the spray bottle thoroughly
  4. Spray the window with the solution and let stand for up to 5 minutes to let the acidic vinegar go to work
  5. Wet a soft towel with water and wipe down the window.
  6. Use a squeegee each time to wipe away the spots for a streak free shine.

Other methods that have been reported to work (we are not necessarily recommending these):
Scrubbing Bubbles, Colgate toothpaste, buff with lemon juice, baking soda, etc.

If You are Unable to Remove Hard Water Spots

If these techniques do not remove the hard water spots, it is likely that they have been there for a while and you will have to use a more involved approach.

Option #1: Chemical Treatment
Your local home supply store will offer products that are designed to clean pesky hard water spots. However, be aware that these products must be used with care because they can potentially be harmful to you. If you choose this option, you need to use heavy duty dish gloves as well as caution.

Option #2: Grinding the Glass
Another option is to gently grind the glass. To”grind” the glass, you can use agents like Ajax and scrub the windows with steel wool and/or a razor. You will need some “elbow grease” for this option.

Another precaution when “grinding” or scrubbing the glass is to know whether or not the glass has a protective coating. Many newer brands of windows come with protective coating and scrubbing the coating can ruin the glass.

Your Best Option
Of course the safest and best option is to trust a professional who has experience with hard water stains, right here in the Treasure Valley. Since we have been treating hard water stains here for many years, we can do it quickly and easily which keeps our prices surprisingly affordable…as low as $4 per window for hard water stains!

window cleaning hard water stains

Give us a call today for a free and cheerful estimate to get rid of those ugly stains: 208-484-3571.

Call me

AJ, ProShine Window Guy

ProShine Window Cleaning
Window Cleaning, Pressure Washing, Gutter Cleaning
2858 Willard St

PS. Hard water can cause several other severe problems in your home. If you have hard water, check out this informative article listing 5 Fatal Hard Water Problems in the Boise Area.

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