67.6 oz. Septic Shock Drain Cleaner
88% off — well into the markdown cycle. 4 active.
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Scanning Home Depot stores hourly. 2 active Instant Power finds as of right now.
Instant Power
90% off · deepest active 
Instant Power Find of the day
67-3/5 oz. Septic System Treatment Drain Cleaner
90% off and 11 in stock. One markdown away from a penny tag.
More Instant Power finds today · 1 more
See all Instant Power About Instant Power
Home Depot marks Instant Power Instant Power products through a predictable four-step cycle: 25% off → 50% → 75% → penny pricing ($0.01). Most Instant Power markdowns aren't advertised — they only show up on the shelf tag or in the Home Depot app.
Endless scans the full Home Depot catalog hourly across 1,990+ US stores. Sign up to filter Instant Power by markdown stage, store, and discount depth — and get email alerts the moment a new drop is detected.
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