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Question DetailsAsked on 10/9/2013

How can I kill roots in the drain field section of septic tank system?

How can I kill roots in the drain field section of a septic tank system?

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There should be no growth other than grass on your leach field - for brush, bushes or trees use the kill-all Roundup herbicide to kill off the entire plant. For roots intruding from outside the leach field, use a root killer like RootX once or twice a year - I would do two treatments a month apart initially if you have root problems.

Unfortunately, just killing the roots is not going to solve the problem you currently have, because they decay extremely slowly or not at all in a leach field due to the saturated and greasy conditions - they are almost embalmed in the sludge. If you have a significant problem, you may have to kill them, then get them routed out. This can be a $500-1000 job depending on how your field is designed and how accessible the inlets of the field distribution pipes are.

Answered 6 years ago by LCD




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