How to Unclog Drains From Tree Roots


Trees need water, and a lot of it, to survive. A large tree can bring up 40,000 gallons of water in one year from the soil with their roots. If they cannot find the water easily, the roots will go looking for it. The sewers and drains leading from homes seem like manna from heaven when a tree root senses it. They worm their way into the smallest crack and eventually clog the line with a ball of roots. A professional plumber can send a cutting tool into the drains to cut the roots, but they will grow back. An alternative way, and one that homeowners can do themselves, is to use copper sulfate to poison and kill the roots.

Things You'll Need

  • 5 lbs. copper sulfate
  • Mix 5 lbs. of copper sulfate into water.

  • Pour slowly into the affected drain. Do not flush or rinse with water for 12 hours.

  • Repeat the procedure the next day if the drain has not improved.

  • Treat the drain every three months with another pound of copper sulfate.

Tips & Warnings

  • Copper sulfate takes longer to work than boring the sewer line but is much less expensive and can provide a continuing treatment.

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