What do you use for a reservoir?

[indicasloth]

Howdy Y'All!
I have gotten so much mixed feedback about the use of Rubbermaid totes in hydro/aero system, I thought I might start a poll, see what is really being used out there.

 

[madscientist9]

I am using a 27 gallon tub for my three res at the moment go think go heavy don't go cheap water is the most destructive force there is and it weighs 8 lbs per gallon so that constant push against the sides make going cheap ending up being quite costly.

 

[chenzi]

I'm using a 200 litre esky complete with float valve and jbj chiller . Wall thickness of esky 50mm, fibreglass outer and inner. temps stay really stable.