Looked all over the interwebs to see if you can de-rim a 40 breeder and all I found was "it's there for a reason it will bow out and bust" me being stubborn as I am (thank my Irish genes for that) I had to find out for myself and this is my results..
That corner overflow looking box has a rio 1700 and chemi pure so no sump. DIY 28 led light mix of rb cw 10k, soon to add blue cyan and true violet.
That corner overflow looking box has a rio 1700 and chemi pure so no sump. DIY 28 led light mix of rb cw 10k, soon to add blue cyan and true violet.

? I have a tank at school for the kids now, planning on get a thread going, the kids donated all the money to far, figured making it rimless would look pretty cool

He lost over $2500USD in corals and fish alone plus the 100 or so pounds of live rock and sand. The restoration work on his living room and finished basement was another grand as well. A week later he bought a rimless cube and swears he will never do a rim mod again

