To make homemade windshield cleaner, combine 8 ounces isopropyl rubbing alcohol, 1 ounce liquid Castile soap, water and if desired, 4 drops of blue food coloring. High-proof vodka can be substituted for the rubbing alcohol. Mix the ingredients in an empty gallon jug.Continue Reading
Begin making this nontoxic cleaner by pouring rubbing alcohol in the empty jug. Fill the jug with water, leaving room for the soap. Slowly adding the soap and food coloring, and cap the jug. The fluid should be mixed by tipping the jug upside down a few times before being poured into the correct compartment under the car hood.
Another option for homemade windshield cleaner is mixing 1 gallon of water, 1 tablespoon of dish soap, 1/2 cup of non-sudsing ammonia and a few drops of blue food coloring, which serves as a reminder of its contents. Vinegar can be used instead of ammonia.
Fill a gallon container with water, and add and mix the ingredients. While this recipe claims to work in most climates, it suggests adding 1 cup of isopropyl alcohol when the weather drops below freezing. Test it to see if it freezes by leaving it outside overnight. If it is frozen or icy in the morning, add more alcohol.Learn more about Car Parts & Maintenance