Living Prepared blog shares how to make bleach from dry granular pool shock.
Why you may ask ?
Stored pre-mixed bleach that you buy in the supermarket when stored loses it’s effectiveness by 20% each year.
Many people are keeping a large stock of bleach for sanitation purposes in case of a long term disaster or to disinfect water.
Here are two good resources of information below.
If you want to learn about purification of water with household bleach:
If you want to learn how to make bleach from dry granulated pool shock: