Pool Shock BAD. use bleach tablets instead. Cheap and easy to store.
The problem with prepping is a lot of people are apartment dwellers with no storage room, no money to prep and in the end rely on water from the city.
When SHTF the food stamps users will be shocked big time as nothing available to buy. Those are the people we have to watch out for.
What brand of bleach tablets woyld you suggest?
Shanghai