Rothenberger Drain Testing Dyes are specially formulated for leak detection in plumbing systems. Each 7.05 oz. bottle contains a vibrant green dye that is easy to see, allowing for quick identification of leaks in drains and pipes. These dyes are non-toxic and safe for use in various plumbing applications, ensuring compliance with environmental standards. Ideal for both professional plumbers and DIY enthusiasts, the drain testing dyes provide a reliable solution for diagnosing plumbing issues. Simply add the dye to the system and observe for any signs of leakage.