- Joined
- Jul 31, 2018
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- 1,667
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- Location
- Gambrills
- What state or country do you live in
- Maryland
I have a 125 gallon 6 foot tank I purchased used that is housing african cichlids at the moment. I have a eshoppes HOB overflow that goes to a small sump on the tank (20 gal). I've learned a lot since I built that setup years ago, and I'm curious if anyone has run into a tank this size that didn't have a tempered bottom. I assume I'll have to drill the back on this so I can properly plumb it. How do people normally build their overflow boxes when they drill the back? Is it best to just buy an overflow?

