Washing soda is great for keeping drains stay clear because while it is alkaline it isn’t as caustic as the commonly used lye-based commercial products. Use washing soda on your drains once a week to keep them clear by pouring 1/4 cup down the drain, and then flushing with water.
If you already have a clog, try pouring 1 cup of washing soda down the drain followed by three cups of boiling water. Repeat two or three times.
For other washing soda uses …