For anyone who will be building a sump in the future or need to add to theirs at any point this is a very cool idea for making baffles and partitions. If you are like me, you at some point after making sump orginally there are changes you want to make, move a baffle here, want more room there, etc. But when you silicon in your baffles and other dividers..your pretty much stuck like that. But check out this link, has a way of making baffles that you can move, remove or add at anytime.
http://www.wetwebmedia.com/ca/volum...les/baffles.htm
http://www.wetwebmedia.com/ca/volum...les/baffles.htm