what pump should i use on my return for my 120. mag 5,7,12

[markl]

I have a mag 5,mag,7,and a 12. my sump is 45 gallons and my aga 120g tank has dual overflows and dual returns . The person I got my tank from also put a t in each return so a total of 4 loclines with heads comming out of 2 overflows if that makes sense.each return line has 2 heads on them .I dont really like it that way but they already nocked the puch out in the overflow so im going to leave it.

 

[ksauerb322]

I'm running a mag 12 also, but into a manifold.

 

[jennm]

I run a Mag 5 on my 37g RR... IMO a 5 is woefully too small for a 120 - does about 350 GPH at 4' of head.

I ran a Mag 12 on my 120. A 9.5 would do in a pinch if you like lots of powerheads.

Jenn

 

[cdub]

I have a 9.5 on mine, you don't want much more turnover so the flow through your sump is not too fast.

 

[drnecropolis]

Mag12 on mine also

 

[fish scales2]

Mag 9.5 with 66" head height. I like slooow flow through my sump.