Hate those ugly orange rust stains in your toilet, sink, or tub? Whink is the famous, powerful solution that really works. This 10 oz bottle is concentrated to tackle tough iron, rust, and mineral deposits. The best part? It's formulated to be safe for your pipes and septic systems when used as directed. Just apply, let it work for a few minutes, scrub lightly, and rinse. It's brand new in its original packaging. A must-have cleaner for any bathroom, kitchen, or laundry room to keep fixtures looking like new. Say goodbye to stubborn rust stains for good!