The obvious signs include a slow-draining toilet and toilet bowl full or overflowing. Other more subtle signs include gurgling sounds coming from other drains in your home or bathroom, bad odors, and an overflowing gully trap.
The obvious signs include a slow-draining toilet and toilet bowl full or overflowing. Other more subtle signs include gurgling sounds coming from other drains in your home or bathroom, bad odors, and an overflowing gully trap.