Water Ways

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Across
  1. 4. a rigid container with a typical capacity of 4 to 60 litres
  2. 5. not sanitary
  3. 6. potential of hydrogen
  4. 7. drinking water packaged in plastic or glass water bottles
Down
  1. 1. has a higher pH level than that of plain tap water
  2. 2. waste material
  3. 3. not liked