Want your windows to be crystal clear, peel an onion and cut it into four parts and put them in the water, don't use any other detergents.
For cleaning your windows, use water with vinegar (half on half), a wet cloth for cleaning and a dry cloth to make it shine.
To clean your windows properly, add a drop of dish soap to the lukewarm water! Your windows will shine!
To obtain spotless' windows you first spray glass cleaner on your windows and then with a sponge that has been moistened with water (and a dash of vinegar) make windows really clean, and you have no streaks works very well.
Take a bucket of lukewarm water, without adding soap. Cut an onion peel and already quartered and put it in the water. Wash your windows and dry in the usual way with tractor and chamois. Guaranteed streak free!
If I wash my windows I put the sliced onion into the bucket.
Windows streak-free and clean:
a dessert spoon of baking soda to 5 liters of water, and laugh your windows you meet.
If you overlap the windows inside and outside. Wen then that you open the windows on the outside from top to bottom is dry with the wiper, and on the inner side cross from left to right, so you can always see if the wiper streaks from inside or sit outside.
Clean windows without streaks:
Use car shampoo (wash and shine) and the rain does not "stick".
To get clean windows, add a dishwasher tablet in hot water.
And your windows are spotless.
Clean windows a small amount of blue miracle in your bucket of water and your windows and vritrine cabinet is shiny clean without streaks.