129 of 142 people found the following review helpful
Good for emergency use only,
This review is from: Potable Aqua Water Treatment Tablets (Kitchen)
These are great to have when camping and traveling, but it's important to have a basic plan for water beyond the iodine tablets. You're really only supposed to use them in emergencies. If you're backpacking and need to drink the local water, you should take a filtration system with you or boil the water. This is a good backup to boiling and filtration if you're short on time, or you have equipment problems. Drinking water purified with iodine also tastes foul which is a big issue in rehydrating foods.
Also note that once opened, the Portable Aqua has a limited shelf life.