Tree roots can sometimes cause problems in underground sewer pipes, leading to slow-draining toilets, repeated backups, unusual gurgling sounds, and unpleasant odors. Because roots naturally seek moisture, they may enter small cracks or weak pipe joints and gradually grow inside the plumbing system, restricting wastewater flow and potentially causing costly damage.
Some homeowners suggest using rock salt as a simple way to prevent root growth by pouring approximately one cup into the toilet and flushing it. However, this method is not a reliable or recommended solution for roots inside sewer pipes. Salt may also reach surrounding soil and harm nearby plants, making it unsuitable as a replacement for professional plumbing treatment.
If your toilet continues draining slowly or making unusual noises, consider contacting a qualified plumber. A professional can inspect the sewer line, determine whether tree roots are responsible, and recommend appropriate solutions, such as specialized root removal equipment or pipe repairs. Regular plumbing inspections and early attention to warning signs can help prevent recurring problems and keep your home’s drainage system in good condition.