CLOSED LOOP FILTER FOR CUSTOM 500g TANK

Copy. Looking at your schematic gives me questions on the physical plumbing. Im using my phone and cant zoom in on your pics. With the size pump you have head room isnt an issue getting water up to your skimmer. The return being gravity will be out paced by your pump. Unless your drain is over 3". A return pump would be what i do. Its similar to how a negitive edge is pumped on a pool. Also if ypu put a dc pump you can play with the return via remote

The bead filter is all closed loop, no gravity drain. So it should balance.

I’m adding a separate sump system, but that post filter and not pressurized.
 
I was talking about the gravity drain from the sump. I thought that was fed from the high pressure post filter. I thought thar was the gravity drain back to the tank. My bad on not being more clear with my questions.
 
I was talking about the gravity drain from the sump. I thought that was fed from the high pressure post filter. I thought thar was the gravity drain back to the tank. My bad on not being more clear with my questions.

Ah, got it. Everything is going to be controlled from a manifold above the tank with ball valves, so the return flow can be distributed between:
Sprayer Bar
Plumbed tank returns (High / Low)
Attic Sump

Here's a photo of the manifold:



I agree if everything ran to the sump, then to the DT, there would probably be a hydraulic issue.
 

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