Always use one of these types of water:
• Micro-filtered (through 0.2 micron)
• Commercially bottled; freshly opened
• Previously boiled and cooled to lukewarm or body temperature; used promptly.
New User Water Tip
Most users prefer to warm their water prior to use. If you do this, do not overheat the water. It should be lukewarm to the touch and not hotter than about 85°– 90°F (29°– 32°C).