#1 · SEATTLE
Hydro jetting scours drain and sewer lines with high-pressure water, clearing grease, scale, and roots far more completely than an auger — the standard prep before pipe lining and the strongest fix for chronically greasy lines.
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On sound pipe, no — pressure is tuned to the line. On badly deteriorated pipe it can finish what decay started, which is why a camera inspection first is the professional standard. Treat 'no camera needed' as a warning sign.
A snake pokes a hole through the clog; jetting cleans the full pipe wall. Snaking is cheaper for one-off clogs; jetting is the fix when the same line clogs twice a year.
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