How would you plumb this?

[tonymission]

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Just not sure the best way to plumb the return line for this 40b.

Info:
- Have a Fluval SP6 return pump (awesome pump btw!) good for about 3400gph on the box but its 3/4" the whole way so I'm sure that's reduced a good amount.
- its feeding a chiller (reduced by valve), a manifold (reduced by valve) and two 80g tanks. Flow out of the tanks doesn't seem intense. Wondering how many more tanks it can actually handle

Options:
- have the drain from the 80g above just gravity drain into the 40b and not even use the loc-line that i drilled. BB with a mp40 so not worried about detritus build up
- add a Y to the main return line like I did for the 80g pictured and run a dedicated pipe to the return of the 40
- add a T to the flex pvc return line for the 80g that's coming off that Y and split that pressure
- make room for a second return pump in the sump to feed this 40b and another one I plan to put online

I'm sure there's not one right answer which is why I feel a little stuck here. I could maybe close the valves to the manifold and chiller a bit more to give me more pressure to the return line.

Anyone have thoughts?

 

[ghbrewer]

A tee in the line above it, then a valve, then to the return.

 

[tonymission]

ghbrewer;1008663 wrote: A tee in the line above it, then a valve, then to the return.

That was the original plan, Grant. I knew I could count on you chiming in. Thank you. Just didn't want to rob too much from the tank above but I'm not sure how concerned I should be with individual tank turnover when the whole system is obviously getting to the sump pretty quick. It's like a tidal wave in the sock/drain compartment as it is.

 

[ghbrewer]

IMO, you really only need 2-3 times turnover for return flow. Your Vortechs will keep stuff suspended and your corals happy, especially in a bare bottom setup like you typically run.

 

[sn4k33y3z]

It's just like a car. If you add an intake system to suck in more air volume, it isn't going to do any good unless you a a larger exhaust system.

 

[tonymission]

Sn4k33y3z;1008688 wrote: It's just like a car. If you add an intake system to suck in more air volume, it isn't going to do any good unless you a a larger exhaust system.

Its just like that huh? lol

 

[sn4k33y3z]

tonymission;1008690 wrote: Its just like that huh? lol

I'm a car guy, what can i say lol.

I still need to come visit your stick collection.

 

[skriz]

Sn4k33y3z;1008688 wrote: It's just like a car. If you add an intake system to suck in more air volume, it isn't going to do any good unless you a a larger exhaust system.

Not true. You can add a greddy or nopi sticker (the more stickers the better) and instantly gain a solid 15-20 whp without having to touch the intake or exhaust.

 

[sn4k33y3z]

Skriz;1008775 wrote: Not true. You can add a greddy or nopi sticker (the more stickers the better) and instantly gain a solid 15-20 whp without having to touch the intake or exhaust.

LOL Easily! Don't you just want to ask them "is it fast" LOL.