StuffBlaster · Cleaning

Cheapest Drain Cleaner

Cheapest right now: Drano at Walmart, $0.106 per fl oz. Updated Jun 9, 2026

Every brand we track, ranked by per fl oz — in-stock prices only, no sponsored ordering.

Drano name brand

  1. Walmart$0.106 per fl oz · $16.97 pack
  2. Target$0.172 per fl oz · $5.49 pack

Liquid-Plumr name brand

  1. Target$0.110 per fl oz · $17.39 pack
  2. Walmart$0.130 per fl oz · $10.37 pack
  3. Dollar-General$0.155 per fl oz · $4.95 pack

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