To spray bar or not to spray bar??

Not sure if this should go here or in the diy section... but here goes

I'm finishing the plumbing on my 90g with a 40b sump. The pump is a mag 9.5 with 1.5" piping (just 2 45* elbows from the sump to the top of the display tank) it branches into a 1.5" tee fitting with 1" bushings into a pair of 1" spraybars


Building a canopy so the pipe wont be visible.


I positioned the run of pipe above the tank so the mess of 90* elbows to the spraybars aren't fighting gravity as much, if that makes sense?


Each one has 13 holes 3/16" in diameter, pipes are about 16" long


(Its spraying the wrong direction, but you get the idea) the water comes out nice and fat at a lower velocity. Im not worried about back pressure - I blocked the one spraybar and the amount of water coming out the other side didn't seem to change a whole lot.

Flow to the sump seems adequate, im inder 5ft of head, so im conservatively estimating 5-600 gph.


So anyway do you recommend spraybars? Or should I just go ahead with 2 small simple nozzles on each side?

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I knew I had to split my 1.5" pipe for the return. I had to diffuse the flow some how.

As long as the spray bar set up looks good I'll proceed. I couldnt really come up with a better setup. From what I've read the magdrive pumps are suited very well for multiple outlets. Im just second guessing my self.

I am adding a second return pump to the display (only about 250gph at head) I don't like the idea of all my heaters and filtration being dependant on a single pump. For the 2nd pump im just going to do a "jet" out of 1" pvc - opposite of the over flow aimed towards the drains.


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Does 1" for the spraybars off of the 1.5" return sound right? It's sort of oversized but I'm hoping that'll help keep flow rates where they should be and compensate for the extra 90's

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