Grout Shield - Maintenance Cleaner All Purpose Cleaner is a 32-ounce cleaning solution designed for use on a variety of surfaces. This versatile cleaner can be used on tile, grout, and other hard surfaces to help maintain cleanliness. Its formula is suitable for regular cleaning and upkeep, making it ideal for use in kitchens, bathrooms, and other areas with tiled surfaces. Purple - 32.oz Bottle Grout Shield is a Neutral pH Balanced Cleaner. The formula is non-combustible. Fast-acting Concentrate! All Purpose Cleaner 32oz can cover 1400 square feet.