this probably doesnt go here, but whatever. building a small truck kit with some food (4 cliff bars), 1 32oz nalgene water bottle, knife, lighter, esee fire kit as back up stream light stylus pro, extra batteries, knife sharpener, small first aid kit, multi tool bits and driver, tops folding saw. im looking for a small water filtration kit to add to this ever growing kit, or should i just carry water purification tabs? if a water filtration kit, what would you guys recomend?