How to Make Windshield Washer Fluid for Cars?
2 Answers
The method for making windshield washer fluid for cars is as follows: 1. Prepare medical alcohol, a beverage bottle, and dishwashing liquid; 2. Fill a 2.5L mineral water bottle with approximately 2 liters of purified water; 3. Add about 500ml of medical alcohol to the mineral water bottle; 4. Add a bottle cap's worth of dishwashing liquid; 5. Gently stir until well mixed. The functions of windshield washer fluid are: 1. Cleaning debris off the windshield; 2. Lowering the freezing point of the liquid; 3. Ensuring the windshield remains clear and transparent for unobstructed visibility; 4. Eliminating static charge on the glass surface; 5. Reducing friction between the wipers and the glass to prevent scratches.
I drive quite often, and for windshield washer fluid, a simple solution is to use purified water with a few drops of neutral dish soap—about one bottle cap of soap per 10 liters of water is sufficient. Remember not to use soapy water or laundry detergent, as they can leave water stains and damage the rubber wiper blades. In winter, when temperatures drop below freezing, add antifreeze by mixing 95% medical-grade alcohol and water in a 1:3 ratio; this will prevent freezing even at -15°C. If you can't find windshield washer fluid in an emergency, mineral water can be used temporarily, but avoid long-term use as it may clog the spray nozzles. A money-saving tip is to keep a large bucket to collect rainwater—filter it, and you’ll have ready-to-use soft water that cleans the windshield exceptionally well without costing a dime.
