Rothenberger's Drain Testing Dyes come in a convenient 7.05 oz. bottle, featuring a vibrant yellow color for easy visibility. These dyes are specifically formulated for leak detection in drainage systems, ensuring that any leaks are quickly identified. The non-toxic formula is safe for use in various applications, making it suitable for both residential and commercial plumbing. Simply add the dye to the drainage system and observe for any discoloration, indicating a leak. This product is essential for plumbers and contractors looking to ensure the integrity of drainage systems.