Texas RV Camper Dies After Using Tap Water for Sinus Rinse June 8, 2025 at 11:40 am #52623 Bill GreeneParticipant Joined: Jan 2024 Posts: 89 Likes: 77 LikeUp1:: My wife rinses her sinuses regularly. It says right on her box to only use distilled water. Unfortunate though. Prayers