How do I maintain my Cleaning Gel? Keep away from direct sunlight. Store in a cool, dry place (41ºF - 80ºF). Shelf Life: 2 years sealed, unopened Related articles What is the cleaning gel made of? Are there any surfaces I shouldn't use the Cleaning Gel on? How do I add more pressure beyond my selected “auto shut-off” pressure setting? How long will the battery stay charged if not used?