By: Patrick Gensel   [yframe url='http://www.youtube.com/watch?v=jGu8BT6jZdg'] Hydration experts Camelbak are at it again with a water bottle that provides its own filter built into the straw. The Groove provides a replaceable cartridge filter that will keep your water tasting great. Camelbak states that it will filter about 378 bottles worth of water. Keep in mind that