calcium hypochloride. 78%.
one bag will purify 10,000 gallons of water.
look it up on youtube for instructions.
rotate it. keep it cool n dry.
also used to make bleach.
prepper stuff. lol
2,380 posted on 07/11/2013 5:55:38 PM PDT by Donnafrflorida
(Thru HIM all things are possible.)