Use Doulton water filters instead of bottled water. These filters remove biohazards, chemicals, and minerals. Save money and reduce plastic waste at the same time!
Price comparison for your first 600 gallons (typically one year's worth): $256 for Doulton undersink dual water filter vs. $762 for Poland Spring or Appalachian Spring water. The second year of Doulton filtered water would only be $79.