Amazon has the Drano Liquid Drain Clog Remover and Cleaner for Shower or Sink (32 oz) for $5.13 - 5% off with Subscribe & Save (can cancel anytime) = $4.87 with free shipping on $35+ or with Prime (extra 15% off for 5+ subscribe and save orders). Drains, unclogs and removes hair soap scum blockages.