Sump help

  • We are currently upgrading MFK. thanks! -neo
The dct suggested would do you fine. You just run it on the lower settings. I run a dct 6000 on a 75 gal with 20 gal sump and need to run it on the lowest setting so the 4000 would be perfect.
 
Ok thanks :)

Again, any opinions on the Little Giant? I keep asking because i can get it soon for cheap.... I will ask him to send a video of it working of course, but provided it does, is this a good pump for me?
 
The dct suggested would do you fine. You just run it on the lower settings. I run a dct 6000 on a 75 gal with 20 gal sump and need to run it on the lowest setting so the 4000 would be perfect.
May i ask why you could only use the lowest setting? Was it all the fish could handle or is it super noisy or what?
 
No its the overflow box. Any higher and it wouldnt be able to keep up. Eventually the sump would drain faster than my overflow would fill it and the main tank would overflow. Thats why i agree with the poster that recommended the 4000

images (1).jpg

Doesnt have the 4000 on it though.

You would need to decide your plumbing/overflow gph then decide the gph of your pump. I guess it could be vice versa but both need to match. The other members advised me to go for a dc pump because its flow rate can be easily adjusted which allows more room for error. Worked out great
 
How could it drain faster than the overflow could fill?

Surely if the overflow cant keep up then the pump would just run out of a supply of water to put back into the main tank and thus nit be able to overflow it? I figured that the water in the sump cant go lower than a certain level or the pump will suck in air instead, so if you find that level and leave the sump at that the tank shoukd never overlfow? Not sure if i described my thought orocess good there, hopefully good enough though.

Ask again- opinions on the little giant pump? Is it noisy, easy to clean, etc. its a 1100 gph pump and i can get it cheap... Let me know if its a decent pump or if its not worth any money
 
No its the overflow box. Any higher and it wouldnt be able to keep up. Eventually the sump would drain faster than my overflow would fill it and the main tank would overflow. Thats why i agree with the poster that recommended the 4000

View attachment 1184109

Doesnt have the 4000 on it though.

You would need to decide your plumbing/overflow gph then decide the gph of your pump. I guess it could be vice versa but both need to match. The other members advised me to go for a dc pump because its flow rate can be easily adjusted which allows more room for error. Worked out great

Also,is it noisy?
 
How could it drain faster than the overflow could fill?

Surely if the overflow cant keep up then the pump would just run out of a supply of water to put back into the main tank and thus nit be able to overflow it? I figured that the water in the sump cant go lower than a certain level or the pump will suck in air instead, so if you find that level and leave the sump at that the tank shoukd never overlfow? Not sure if i described my thought orocess good there, hopefully good enough though.

Ask again- opinions on the little giant pump? Is it noisy, easy to clean, etc. its a 1100 gph pump and i can get it cheap... Let me know if its a decent pump or if its not worth any money

If the pump is moving more ghp than your drains can handle it will put more water in the main tank from the sump than can be moved back into the sump from the main tank. The water level rises in the main tank eventually the pump will run dry and where is all the water that WAS in the sump----its in the main tank which will overflow.

From what ive read and been told thats the reason why we choose our pumps and plumbing/overflow/ drains to match gph

Its dead quiet i havent heard anyone complain about noise from there jebaos or any other dc pumps...or there non dc pump for that matter
 
If the pump is moving more ghp than your drains can handle it will put more water in the main tank from the sump than can be moved back into the sump from the main tank. The water level rises in the main tank eventually the pump will run dry and where is all the water that WAS in the sump----its in the main tank which will overflow.

From what ive read and been told thats the reason why we choose our pumps and plumbing/overflow/ drains to match gph

Its dead quiet i havent heard anyone complain about noise from there jebaos or any other dc pumps...or there non dc pump for that matter

Rule of thumb is u want the overflow pvc to flow roughly twice as much as the return pump. For example my return pumps 2900 gph, I have two 2" PVC overflows. Each 2" PVC overflow can flow roughly 2400 gph. If the overflows are stronger than the pump, the overfows will match the pump. For example in my main tank the water level is always constant, if I add water, the extra water will always go in the sump.
 
Not exact but were given to me by ragin_cajun ragin_cajun


You also have to take into account any elbows in the plumbing

GPHpipe.png
 
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