Simple Test Reveals Windshield Washer Fluid Quality

A Ukrainian car enthusiast demonstrates a simple way to check the quality of windshield washer fluid. The method involves observing the amount of foam produced after adding the fluid to the reservoir. Excessive foam indicates a lower quality product. The author recommends D2 Wash, highlighting its minimal foam production as a sign of quality. "Excessive foam means low quality," the author states. The video, while promoting a specific brand, offers a practical tip for drivers. The video's popularity suggests a need for accessible car care advice.