💧 Water Spot Warning: How Donga’s Touchless System Prevents Hard Water Damage

Water spots are more than just ugly stains—they are corrosive mineral deposits that permanently etch your car’s clearcoat. Donga Carspa experts reveal the science of Hard Water Damage, explaining why sunlight accelerates etching and how our Touchless System uses Deionized (DI) Water in the final rinse to guarantee a spotless, streak-free finish that preserves the health and value of your vehicle's paint.



