Goedjn wrote:
You must have bought the magic concrete. Bonsal says 80lb is .6cu/ft
but what the **** do they know they just made it.



If you BUY cement, and PLACE concrete, that may well explain where
the extra volume came from....

Here is the website with the tech sheets. Look for yourself. Don't
argue with me anymore... go argue with the manufacturer.

http://www.usmix.com/dp_maximizer_concrete_mix.phtml