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 Slow Flow Fighter™

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With its specially designed clog-fighting formula, Liquid-Plumr® Slow Flow Fighter™ clears partial clogs and slow-flowing drains. Two powerful liquids activate on contact to create a thick, powerful foam that fills the entire pipe and dissolves hair, gunk and soap scum. Slow Flow Fighter™ clears blockages and cleans pipe walls to get your drain flowing smoothly again. This foaming drain cleaner is safe for all pipes and septic systems. Keep your drains clear with Liquid-Plumr®.

  • Safe for all pipes, including PVC, plastic, copper, old pipes & septic systems
  • 2-in-1 foam clears slow-flowing drains
  • Dissolves hair, gunk and soap scum
  • Cleans dirty pipe walls to get drain flowing

Available In:
  • 502 mL


About This Product

  1. Pour ENTIRE bottle down drain.
  2. Wait 60 minutes.
  3. Flush with hot water.




For garbage disposals, follow same usage directions and flush with disposal running. Avoid all splashing. Do not use with plunger or in toilets.

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DANGER: CORROSIVE. CAUSES BURNS. DANGEROUS FUMES FORM WHEN MIXED WITH OTHER PRODUCTS. Do not use or mix with ammonia, toilet bowl cleaners, acids or other drain openers. Do not swallow, breathe fumes, or get in eyes, on skin or on clothing. Handle with care. Wear a mask, safety glasses and rubber gloves. Use only in a well-ventilated area.


To open, push cap down and turn. Close tightly.

FIRST AID TREATMENT: Contains sodium hypochlorite and sodium hydroxide. If swallowed, call a Poison Control Centre or doctor immediately. Do not induce vomiting. If in eyes, rinse with water for 15 minutes. If on skin, rinse well with water. If on clothes, remove clothes. If breathed in, move person to fresh air.