sump question

[rED O]

I am buying a 70 gallon sump from another hobbist. I want to get a 2500 gph pump for it so It can move enough water for my tank. To make 2500 gph to work in a 70 gallon sump, how thick should the piping be so it will not over flow. 2"? any other suggestions?

 

[wizardslovak]

2500gph is way too much for 70gall
go with 600 -1000gph
i will be building w/d for my 55 gall with 500gph

as rule i use
canister filter 10xtank size, in my case 10x55gall=550 gph pump
sump 5-7xtank size 55x5(7)=275(385)gph pump

 

[rED O]

well i was told if you have larger piping you can get away with this, you dont agree at all?

 

[Camshaft Ramrod]

I have a 1800 gph MD pump hooked up to my 55 gallon sump with no problems.

 

[rED O]

thanks for reasuring me. what size piping do you have on your 55?

 

[Camshaft Ramrod]

I believe it's 2" into the sump and 3/4 out.....

Here's the thread. It might be on there.
http://www.monsterfishkeepers.com/forums/showthread.php?t=165081

 

[rED O]

I believe it's 2" into the sump and 3/4 out.....

Here's the thread. It might be on there.
http://www.monsterfishkeepers.com/forums/showthread.php?t=165081

should it be 2" out of the sump? isnt the problem that it might overflow? so then dont you want to have the bigger pipe coming out of the sump?
sorry for my newb questions in sumps

 

[Pharaoh]

You want the bigger pipe coming out of the tank. The 3/4" line he is speaking of is for the pump going to the tank.

Let me also clarify. Are you getting a 70G sump or sump for a 70G tank?

 

[rED O]

i think it was a 70 gallon tank that was made into a sump

 

[Pharaoh]

Youare going to want big lines coming from the tank. More room for gravity to take effect. Smaller lines going to the tank because there will be presure behind it.