35.

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Across
  1. 3. What soap and water make
  2. 4. AND SPRING Nestle bottled water brand
  3. 8. "Crazy Rich Asians" actress whose stage name puns on a bottled water brand
  4. 9. LINE High-water mark at Hull?
  5. 10. Bottled water brand
  6. 11. Low-water mark (5)
  7. 12. 'Will such water make tea, dear?'
  8. 14. R A N "Natural artesian water" brand
  9. 15. Mineral water brand
  10. 17. MOUNTAIN Bottled water brand
  11. 18. Water mark?
Down
  1. 1. High-water mark
  2. 2. "Untouched By Man" bottled water brand
  3. 4. ___ Spring (bottled water brand)
  4. 5. Turned bottled water brand "green" (5)
  5. 6. Bottled water brand from Quebec
  6. 7. Water brand
  7. 12. High-water mark
  8. 13. Bottled water brand
  9. 16. French city known for its mineral water