Much needed upgrade! - SteriPEN Adventurer Opti Water Purifier

I've been using the original Steripen Adventurer for several years. It is an excellent concept, however, it has always been extremely finicky. Water that was too cold or any agitation and the water sensors would tell the purifier to shut off before the cycle was complete. It would more often than not take 4 or 5 tries to get a complete cycle. I finally had enough and ordered the Adventurer Opt

This review was written in the old system and had content requirements that are different than reviews written today.