If a chemical cleaner doesn't work after the first application, This can lead to a pipe full of standing, highly corrosive water. At this point, it’s safer to use mechanical methods like a drain snake or call a professional plumber to avoid damaging your plumbing system.
Avoid getting cleaner on finished surfaces like faucets or drain trim, as it can cause permanent damage. 4. When to Call a Pro buy drain cleaner
Use ingredients like bleach or peroxides to strip electrons from the clog, producing heat and gas to loosen it. These are excellent for hair but less effective on heavy grease. If a chemical cleaner doesn't work after the
Caustic cleaners containing lye (sodium hydroxide) or potassium hydroxide are best here, as they effectively break down fats and oils. highly corrosive water. At this point