To use Bio-Clean drain cleaner, follow these steps:
1. Pour 1 scoop of Bio-Clean into a drain or toilet bowl.
2. Add 8 ounces of warm water.
3. Let it sit for 6-8 hours or overnight.
4. Flush the drain or toilet with hot water.
5. Repeat if necessary for stubborn clogs.
Remember to follow the instructions on the package for best results.