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?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.
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
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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
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
