No, you should avoid pouring harsh chemicals like undiluted chlorine bleach into your sump pump pit. Bleach fumes can corrode metal motor parts, degrade rubber seals, and damage plastic float switches over time. Furthermore, discharged bleach water can harm exterior landscaping or plants where the pipe drains. If you need to clean out bacterial slime, iron ochre, or mold from the pit, use mild dish soap with warm water, or an approved sump pit cleaner. Verification: Flush the pit with clean water after scrubbing to remove soap residue.
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