Drain cleaner didn't fix a clogged drain

Symptoms

• Drain is still slow or fully clogged after using a store-bought drain cleaner
• Clog seems physical rather than a simple grease or soap buildup
• Multiple attempts with drain cleaner haven't helped
• Concern about pipe safety after repeated chemical use

Likely causes

• CommonClog is hair or a solid object rather than dissolvable buildupChemical cleaners are effective on grease and organic buildup but do little against hair masses or foreign objects.
• CommonClog is too far down the pipe for the cleaner to reach effectivelyCleaners lose concentration and effectiveness as they travel further from the point of entry.
• PossibleRepeated chemical use without addressing the root clogCan mask the problem temporarily without ever fully clearing it.
• PossibleClog is actually further down the main line, beyond a single fixture's reachNo amount of chemical cleaner poured into one fixture will fix a main line blockage.

What to do

1. Stop using additional chemical drain cleaner, since repeated or combined use can damage pipes and create hazardous fumes if products are mixed.
2. Let the drain sit for a while and then try physically removing the clog with a plunger, since standing chemical residue can make snaking more hazardous if disturbed.
3. Wear gloves and eye protection before working further on a drain that had chemical cleaner used in it recently.
4. Try a hand-crank drain snake to physically break up or retrieve the clog rather than relying further on chemicals.
5. If a physical clog like hair or an object is retrieved, dispose of it and test drainage.
6. For a clog that remains after mechanical clearing attempts, treat it as a job for a plumber with professional equipment.

Tools and parts

• Gloves
• Eye protection
• Hand-crank drain snake

When to call a pro

Call a plumber if a physical clearing attempt after chemical cleaner doesn't work, since the clog is likely beyond simple home remedies.

Safety