If you've tried these methods and the water still won't budge, the freeze might be deeper in your main sewer line. At that point, it’s time to call a professional plumber before a pipe bursts. To give you the best advice, let me know: Is your tub on an ? Do you have access to the pipes (crawl space or basement)? Are other drains in the house also frozen?
As the rags cool, pour more hot water over them or replace them with fresh hot rags. How to Prevent Future Freeze-Ups how to unfreeze a bathtub drain
If the salt water didn't work, you need to apply heat directly to the pipe. This assumes you can access the plumbing. If you've tried these methods and the water
Once you get the water flowing, take these steps to ensure it doesn't happen again tonight: Wrap your drain pipes in foam pipe insulation. Do you have access to the pipes (crawl space or basement)
When your relaxing bath turns into a standing pool of cold water, you likely have a frozen pipe. This usually happens when drain lines run through uninsulated crawl spaces or along exterior walls during a deep freeze.