safe salt water storing container?

[comfort_racing]

i am looking for a 10 - 20 gallon plastic storage container with a lid to store aged salt water for future water changes etc. any suggestions on what to buy or not to buy?

 

[cward]

I would recommend the Rubbermaid Brute's. They come in 10g, 20g, 32g, 44g and 55g.