New here, my second post update on my new reef tank!!!

[Gabriel Trifa]

Heya All,
My 2'nd post here... Planed a few weeks ago to start a reef tank.
Just received the glass for it (custom build).
I'm having second thought's... regarding the holes in the back panel (they are 4 cm in diameter) for my overflow, will they be enough?
I have a 100x50x50cm custom aquarium.
Any thought's? attached a picture also

 

[Peace River]

It sounds like you have a 250 liter (66 gallon) tank. What overflow box do you plan to install? Is it custom or retail overflow? Have you selected a return pump? Do you have a desired goal for water turn over in your rank?

#reefsquad

 

[Gabriel Trifa]

Bean animal overflow box, with a 30 cm long inner tank wier.

 

[Gabriel Trifa]

Forgotten to mention, itwill be custom made.
As the retur pump... Have not decide yet.
Dont rly know how powerfull should i get... Is there a min. Of The retur whater like3, 4 Times The size of your aquarium or?

 

[Oropher]

I think those will do. Your tank is similar to Red Sea 250.
I guess your drain pipe is also 40 mm (1.25"), that makes the return pipe 20 mm (0.5 inch).

Your return pump could be a DC pump 600-800 GPH.

 

[Oropher]

I recommended that return pump flow rate because I assumed that you would connect a few reactors or UVC or maybe a chiller to the return line. So you have to compensate the head losses.

 

[Gabriel Trifa]

i was thinking about a return pump over 800gph... thanks for the adice!!!
i dont think it wil be a problem if i buy one with more than 800 gph turn rate... i can adjust that from the in- valve...
i only hope i can get a bigger sump than 120L... that i will see after i get the custom made stand...