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The 3M 1906 is an enzyme-based drain maintenance solution formulated to clear slow drains and prevent recurring clogs. It contains billions of enzyme-producing organisms that digest and break down grease, soap, food waste, and other organic deposits that accumulate inside drain lines over time. The 33.8-ounce bottle is sized for regular monthly use as part of a preventive drain maintenance program. Licensed plumbers and facility maintenance technicians rely on enzyme-based treatments like this one as a non-caustic alternative to chemical drain openers, particularly in systems where pipe material or age limits the use of harsh solvents.
This product is suited for use in residential and light commercial drain systems. It can be applied in sinks, bathtubs, showers, toilets, and garbage disposals. It is also approved for use in RV holding tanks and marine vessel waste systems. The enzyme action also controls foul odors by eliminating the organic source rather than masking the smell. The recommended maintenance dose is 16 ounces applied monthly to keep drain lines clear and odor-free.
Designed for use in standard residential and light commercial drain systems including sinks, bathtubs, showers, toilets, and garbage disposals, as well as RV and marine waste systems. Safe for septic systems.
No tools or trade license are required for application. Pour the recommended dose directly into the drain opening and allow it to work without running water for an extended period, ideally overnight, to maximize enzyme contact time with buildup. Follow the manufacturer dosage guidance and avoid mixing with chemical drain cleaners, as caustic agents will neutralize the enzyme organisms. Plumbers performing drain service can recommend monthly enzyme treatments as a preventive maintenance protocol for customers.
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