Instructions Once I Receive My Pillow? Amber April 16, 2018 18:23 Updated Follow For complete instructions on how to fill your water pillow and removing air, please watch the video below. Related articles How Do I Wash My Pillow? How To Add Water To The Pillow? Complete Filling Instructions. How Much Water Should I Add To My Pillow? If I Mostly Sleep on My Side, Which Pillow Should I Buy? Comments 0 comments Please sign in to leave a comment.