How To Fix A Frozen Shower Drain [updated] -

Stir in about 1 cup of table salt or kosher salt. Salt lowers the freezing point of water, helping it eat through the ice more efficiently.

If the freeze is deep in the pipe or the hot water method isn't working, a wet/dry vacuum can help circulate heat.

This is the most effective method for a standard shower drain where the freeze is likely in the P-trap (the U-shaped pipe underneath the drain).

Signs Your Shower Drain is Frozen. Detecting and promptly addressing a frozen bathroom drain is important due to the possibility o... City Rooter Plumbing and Drain Services 3 Common Signs of Frozen Pipes - RCL Mechanical 3 Common Signs of Frozen Pipes * Low Water Pressure From Faucets or Fixtures. As a pipe freezes, its diameter is reduced by ice fo... RCL Mechanical How to Prevent Bathroom Pipes from Freezing Apr 1, 2026 —