[MrB]

uh... just buy the 55 gallon drums, configure them inline with your downspouts, and buy some “dichlor” pool shock.

For the canned goods, Costco.com.

[rickb308]

I scored 5 drums used for $10 each. Previously held peppers from the McIlhenny Company, Avery Island, LA. LOL. (aka the Tabasco Co.)