John let out a triumphant whoop. He had unblocked the drain! He flushed the sink with hot water to make sure everything was flowing freely, and then he scrubbed the sink and faucet to remove any lingering grime.
If the drain is blocked by (e.g., food scraps, coffee grounds, small objects, or congealed fat mixed with solids), do not use a chemical drain cleaner immediately — it may not dissolve solids and can create a dangerous slurry. unblock a drain