New 700 Litre tank filtration questions

  • We are currently upgrading MFK. thanks! -neo
the damnned thing is in america though :(
 
Here's MKIII technical drawing of my plan. If you see any flaws please let me know.
As far as I see it now I can use more of the sump than would normally be used and the pumps wont run dry or overflow.

tankdiag3.JPG
 
A fault has been found.
Anti syphon needed on pipe from tank to sump.

What does this consist of? clever pipe bending? a valve?
 
I think ive worked out how to build a very cheap anti syphon pipe.

I need 3 pieces of pipe and a T piece, put pump in water and T it off just after the pipe leaves the tank, then have 2 pieces of pipe running to the sump, if only 1 of them runs under the water in the sump and the other sits higher than the water then if the pump stops the pipe will empty itself as air can flow into the higher side.
 
man it all looks a bit busy ,,i can see you've put some thought into this, i would like to see a drawing of your anti syphon:popcorn:
 
You mean one on my technical drawings? Gimme 5 minutes, they don't take that long but I need the John
 
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