I use a water filter called PureAire to make my water; I pour the water into the filter and in 15 minutes it passes through some stones or something and it's ready. Does that count? (Please say it's fine, it's what I've been using the whole time!)
EDIT: If it helps, here it is
http://www.amazon.co.uk/gp/aw/d/B00ENGTDVO?pc_redir=1403295725&robot_redir=1
Post Edited (Daxter) : 6/25/2014 3:57:18 PM (GMT-6)