Is normal tap water okay to use in the pillow? Customer Service Desk August 06, 2019 14:29 Follow Yes. If you use well water, you might want to add a few drops of bleach to the pillow water. Related articles Which side of the pillow do I sleep on? Can the pillow be washed? What is the size of the Chiroflow® Professional Waterbase® pillow? How long can the water stay in my pillow before it needs to be changed? How much water should be used? Comments 0 comments Article is closed for comments.