After watching Qualification Level 3 videos on the USCCA Protector Academy, I added one of these:
But really, having water already stored is what you want
Don’t rely on weeks worth of water just falling from the sky, being easily made to be drinkable after falling from that sky in whatever conditions made this a necessary thing to begin with, and you/your family being able to efficiently capture that water in the time it is needed.
Store water at home now.
Aquatainers have proven the test of time. The 7 gallon blue cubes. Do not stack them