Zep Calcium, Lime & Rust Stain Remover

<p>Pro Tips:</p> <p>The Calcium, Lime & Rust Stain Remover should be rinsed off quickly after applying, so keep a bucket of clean water handy for easy rinsing.</p> <p>Instructions:</p> <p>May etch older sinks, tubs and tiles. Test all surfaces in a hidden area before use. Directions: TO CLEAN TUBS, TOILET BOWLS AND SINKS: Mix 50/50 Calcium, Lime & Rust Stain Remover and warm water and apply to surfaces with brush, sponge or cloth. Rinse with clean water within 60 seconds. Tough stains may require a second application at full strength. TO CLEAN STUCCO, CEMENT AND BRICK: Mix 50/50 Calcium, Lime & Rust Stain Remover and warm water and apply to surfaces with brush, sponge or cloth. Rinse after 5-10 minutes. Tough stains may require a second application at full strength.</p>