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Drain Cleaners

A slow drain is one of the few cleaning problems that lives inside a pipe, out of reach of sprays and cloths. Drain cleaners solve it with thick gel formulas and bleach-powered liquids that cut through standing water, cling to the clog and dissolve hair, soap scum and food build-up without calling a plumber. This sub-hub covers the chemical approach to common drain problems.

Best of the category

Best Drain Cleaners (2026)

The best drain cleaners for slow drains — thick gels and bleach-powered formulas for hair and soap clogs, compared on reach and safety.

Featured reviews

Illustration of the Drano Max Gel Clog Remover

SC Johnson

Drano Max Gel Clog Remover

Thick clog-busting gel that pours through standing water and melts pipe gunk.

Illustration of the Liquid-Plumr Clog Destroyer

Clorox

Liquid-Plumr Clog Destroyer

Liquid plus gel drain cleaner that clings to clogs and dissolves gunk.

Head-to-head comparisons

Drano vs Liquid-Plumr

Drano vs Liquid-Plumr — the two household drain cleaners compared on hair clogs, bleach, standing water and trap freshness.

Buying guides

How to Unclog a Drain Without Calling a Plumber

How to unclog a slow drain at home — plunge first, then the right chemical gel, and when to call a plumber instead.

Why this cluster exists

  • Slow drains are the plumbing-gunk problem you can fix on a Saturday.
  • Gel formulas cut through standing water; basics keep drains clean.
  • Use the physical plunge first, the chemical gel second.