Crystal Window Showdown: Reach spray tested, 20 windows clean... Rinse-free surprise awaits! We were skeptical but impressed by the "Full Crystal Window Cleaning Kit." The 4-ounce bottle paired with a 27-foot reach felt heavy-duty, and the claim of cleaning 20 windows sounded almost too good to be true. After spraying it on a double-hung window, we worked the mist into the glass with a soft microfiber cloth—it去除d grime effortlessly, leaving a streak-free shine. No scrubbing or rinsing needed. Each full swing of the reach spanned the entire window, conserving time and energy. By the end of the day, we had tackled 15 windows without fatigue, and the only residue was the surprisingly clean glass. The rinse-free quality was a pleasant surprise, eliminating the need for extra buckets or towels. The kit was efficient, durable, and met its promises—with room to spare.