Know where your main water shutoff valve is before starting.
Frozen drain pipes can be a frustrating and potentially costly issue, especially during the winter months. If you're dealing with a frozen drain pipe, it's essential to act quickly to prevent further damage. Here's a helpful report to guide you through the process: unclog frozen drain pipe
For metal pipes, you can use rock salt or commercial de-icers. However, be cautious as these can be corrosive. Know where your main water shutoff valve is before starting