While generally safe on modern PVC and metal pipes if used correctly, the extreme heat generated can soften or warp plastic pipes, or crack older, brittle porcelain fixtures.
While sulfuric acid drain cleaners can be effective, they also come with a range of risks and drawbacks, including: drain cleaner with sulfuric acid
Would you like a comparison table of sulfuric vs. sodium hydroxide drain cleaners, or safety steps for using one? While generally safe on modern PVC and metal
: The chemical reaction with water and the clog material is highly exothermic , meaning it generates significant heat. This heat helps to melt congealed grease and oil, further facilitating the clearing process. Proper Application and Safety or crack older