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 Can the pillow be washed? How long can the water stay in my pillow before it needs to be changed? How much water should be used? Which side of the pillow do I sleep on? What is the size of the Chiroflow® Professional Waterbase® pillow? Comments 0 comments Article is closed for comments.