If your eliquid is left open it will absorb water. I DIY and to help the process of steeping I place freshly made juice in a well sealed bottle into a cup of hot(not boiling) water and allow to come to room temperature. Shake daily and let it sit for 4-7 days and you should be good to go on most eliquids. I must say though that I have had a few that needed 2-4 weeks to really reach their full flavor. Patience....Patience.