Concrete cleaning

[leofry@1966]

questions 
I am cleaning 17000 sq feet of concrete this week and want some advice.
things to know 
concrete is not that dirty , well not crazy dirty 
its pretty much wide open space.

when i first got this job i looked into buying a scrubbing machine but then i thought ok this is most likely a one time deal, so i thought i have a cimex and a 175 and a huge walk behind shop vac. I also have 2 young men helping me so here is what i thought.
one will put product down with the cimex or 175 and the other will walk behind with the walk behind shop vac. 

what do you think ? 

also what product ? 
what brushes or pads ? 

how long do think it would take. 

i have about a total of 16 hours do get this done ... 

thanks 
John 

[encapman]

Rent an auto-scrubber if there's any possible way you can do that. It will be sooooo worth your while! I promise.

[leofry@1966]

yeah i thought of that .. you think you can knock out 17,000 sq feet in 6 hours ?? and what product would you use Rick ?

[encapman]

An auto-scrubber and a good floor cleaning detergent. That's all you should need. With an auto-scrubber you should be able to clean a couple thousand sq ft per hour.

[MikeHabib]

They make an attachment that hooks up to a pressure washer and works like a HydroForce tile cleaning machine. From what I have seen on youtube , it works great.