adding a second over flow

[labman]

I have a 150 gallon tank about 6 feet long I am currently cycling the tank. I ran a splitter of the pump to give a little better circulation. I think that is working pretty well I am also debating adding a 2nd over flow and contecting them together is this a crazy idea? here is the info on my filter system.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=4358747390&rd=1&sspagename=STRK:MEWN:IT&rd=1

or ebay item 4358747390

I also upgraded to the more poweful 6000 pump produces 870 gph

 

[AndyH5512]

I would get a sump that has 2 completely separate overflows. I was giving some thought to using two split overflows (two overflow hoses going to the sump with a "T" splitter, and ending up with one hose at the sump). However, the LFS said that on some occasions, the water can back up at the split if you have a strong flow. Just my .02