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Sump size...

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zeltar

Proud new papa....
Joined
Mar 18, 2004
Messages
151
Location
Southern Ca.
Hey all, I am to the point of getting my tank wet very soon. I would like to discuss how I get a sump that is the correct size that will handle my drain volume. I have looked at the calculators on RC and those dont give me answers that makes sense to me, so I will ask the experts here.

My tank has two 1.5" drains that will have dursos. I have an Iwaki 40rlt for my return (1" in/out). The head distance will be around 5' with one 90 or two 45's if I have the room in my overflow for the return. The tank (48x24x25) is a single overflow (12"x6") with a coast to coast.

Can someone do some calcs and see what my minimum sump size should be? I have a berlin style sump that I used on my 60 gallon running a CPR overflow and a little giant pump. It's dimensions are 36"L x 16"H x 13"W.

Let me know if you need any other information.

TIA.
 

big t

tankless
Joined
Oct 21, 2003
Messages
1,914
Location
Denver
That sump you have now will work IMO, if you start having bubble problems a great way to get rid of them is a filter sock. I personally like to use about as big a sump as I can squeeze under my stand. FWIW, I use a iwaki rltx30 that supposedly has 950 @ 4ft of head on my 90g tank. I use just 1 1.5 drain w/ a durso into the sump that is 36x18x18 and handles it very well.
 

zeltar

Proud new papa....
Joined
Mar 18, 2004
Messages
151
Location
Southern Ca.
Did you use a 1.5" bulkhead on you drain? If so, what size PVC fittings will thread directly to the BH?
Thanks.


big t said:
That sump you have now will work IMO, if you start having bubble problems a great way to get rid of them is a filter sock. I personally like to use about as big a sump as I can squeeze under my stand. FWIW, I use a iwaki rltx30 that supposedly has 950 @ 4ft of head on my 90g tank. I use just 1 1.5 drain w/ a durso into the sump that is 36x18x18 and handles it very well.
 

big t

tankless
Joined
Oct 21, 2003
Messages
1,914
Location
Denver
Yes I have a 1.5" sch 80 bulkhead for the drain. It is slip on the inside and thread on the outside. So I just slipped a 1.5" pvc pipe into it on the inside of the overflow, and then on the outside I used a male 1.5 thread to female adapter, and then pvc pipe from there
 
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