Internal Overflow?

kb0vhy

New member
Want to build a overflow for my 125. Would like it to be Along the top of the tank in the back. How do you calculate size? Will drill 1-3 holes and construct a manifold behind the tank.. (I like the way Dave's looked!). Will have a seperate closed loop running.

I will run the sump off of a Iwaki 30rlt. Sump will be 50+, not sure yet? Want to keep the sump flow slow.

:rollface:
 
you want a single overflow that runs the whole legnth of the tank? What size holes are you drilling? and where will they be located from the top of the tank?

Jason
 
Good deal. In the morning would work out best, as I am helping a friend move some stuff. I'm adding 2 400watt halides to the 3X250's I already have, so I can blow everything out of the water.
 
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