TIPS YOU NEED TO UNDERSTAND.
Understand your water is not fresh, it is sitting in a plastic bottle, God knows how long the Water has been sitting in heat. So think of it as Water cooking in plastic.
The company that make the Water are all working togather as you maybe thinking the quality of the Water is good but they all are the same.
There are some filters that are not cleaning the Water like they say , take it as the Water getting clean with a Net.
There is a way you can always have the best never having to buy water again. look up ionized machine for your home and start making your own Water that will always be fresh
look in to Enagic