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Originally Posted by Invigor
I assume it's running dry because of the simple physics is the return is going to take the easiest least restricted route, which would be the first tank, then the second, then the third.
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Nothing is plumbed together right now, just theory. But you understand my problem correctly.
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Originally Posted by Invigor
Easist way to remidy this would to put a ball valve for the return to each tank so you can control the flow to each individual tank. In your case you would probably leave the tank furthest away with the least restriction and restrict the closest tank so the water is forced to go to the furthest tank.
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So you think there is no other way than to fiddle with the flows until I have the right combination?
There really isn't a "farthest" tank. Design is planned sump-reef-FOWLR-sump.
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Originally Posted by Invigor
The overflows will only pull out what's being put in. so depending on the design of your overflows you might get noisy overflows if you're not giving enough flow. I found U tube overflows to be able to take any amount of water and not be noisy where as I had a cpr and unless I ran it to full capacity, it was sounding like i was living beside a white rappid river. :|
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Three main concerns:
1) what happens when the power goes off?
2) what happens when the power comes back on?
3) how noisy is it going to be?