I bought the setup with a glass sump, but my friend droped it while carring so I had to find a cheap replacement.
The rubbermaid actually turned out perfect, I cut off the handles and it fits snug inside the stand. I also put wooded supports in the front and back so it would not bow out from the water pressure. The divider is a plastic tub that has holes in it, I cut it in half and siliconed it down. I get no micro bubbles at all, so I am happy.