Zep Shower, Tub & Tile Cleaner (ZUSTT128) is an acid-based formula (pH 2–3) and should be used with caution around chrome. While effective on many surfaces, prolonged contact can potentially damage or discolor chrome finishes. **Recommendations for use:** * **Rinse immediately:** If the product contacts chrome drain covers, rinse the area thoroughly with water right away. * **Test first:** Always perform a patch test in an inconspicuous area. * **Application:** Apply to a sponge/cloth rather than spraying directly.