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Old 02/08/2018, 06:06 PM   #1
Bryan3536
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Soft or Hard Plumbing?

I am plumbing a 180g tank to a 75g sump. I am going to have two S1 vectra pumps for my returns, located outside sump (putting bulkheads in). I donít want noise by I do want longevity/reliability. Where would you hard plumb with pvc versus using softer tubes? Was thinking pvc for drain, and tube on the return side to try to minimize pump noise etc. right move?


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Old 02/08/2018, 06:11 PM   #2
AlSimmons
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Can't they both work? Then again they both can break/fail too though... Definitely do the research and see what people have to say before the water starts running. (odds) It's kind of like Roulette... You just have to pick a number. GL.



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Old 02/08/2018, 06:33 PM   #3
Reef noob_
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Iíve always done pvc on drains and soft tube into pvc on return.


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Old 02/08/2018, 07:11 PM   #4
Bryan3536
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Iíve always done pvc on drains and soft tube into pvc on return.


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Thanks thatís what I was thinking.


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Old 02/08/2018, 07:18 PM   #5
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Sounds like you've already picked a number...


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Old 02/08/2018, 07:29 PM   #6
mako61
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I did silicone tubing from return to manifold. Its works very nice, its not cheap but you dont need much.


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Old 02/09/2018, 05:48 AM   #7
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Use the spa flex hose, when you connect it to the rigid pvc always use primer before the glue.


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Old 02/09/2018, 05:54 AM   #8
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Originally Posted by reef noob_ View Post
iíve always done pvc on drains and soft tube into pvc on return.


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+1


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Old 02/09/2018, 07:09 AM   #9
billdogg
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I use regular PVC for everything except a couple of ~12" pieces of vinyl (or silicone) tubing between the pump(s) and the pvc or bulkheads to minimize vibrations. IME, soft tubing has the potential to kink, reducing flow. It will also grow algae on the inside if it is exposed to any lighting, further reducing flow. Another big plus to PVC is that you minimize (or eliminate) the need for barbed fittings which greatly reduce flow. That can be overcome by using oversized fittings but that can become rather cumbersome.


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Old 02/09/2018, 07:30 AM   #10
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I use regular PVC for everything except a couple of ~12" pieces of vinyl (or silicone) tubing between the pump(s) and the pvc or bulkheads to minimize vibrations. IME, soft tubing has the potential to kink, reducing flow. It will also grow algae on the inside if it is exposed to any lighting, further reducing flow. Another big plus to PVC is that you minimize (or eliminate) the need for barbed fittings which greatly reduce flow. That can be overcome by using oversized fittings but that can become rather cumbersome.
+1 in the vibrations.

I tried to go fancy and used red PVC for everything I could in my Red See 350 to shortly after remove the return and go back to the flexible tubing that comes with the set. Noise was not laud but steady and incredibly annoying. No big deal, 9/10 people enjoy more looking at my tank that at its underwear.


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Old 02/09/2018, 07:37 AM   #11
mitch91175
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I personally use PVC for everything except feeding reactors. Figure those are the only things that will potentially change due to proper planning of the PVC plumbing. The key is that I plumbed a manifold for system expansion so no need to mess with the PVC again.


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Old 02/09/2018, 08:15 AM   #12
ca1ore
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Vectra is a very quiet pump. I'd be surprised if you have any vibrations problems. I've switched completely over to ultra flex PVC for both drains and returns. Avoids the inconvenience of elbows and barb fittings. Vectra is pressure-impaired, so anything you can do to reduce friction losses would be helpful.


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Old 02/12/2018, 05:33 PM   #13
Bryan3536
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I went with all hard plumbing, partly out of necessity - I tried to drill the sump, which the manufacturers website said was not tempered, and guess what? Removed my baffles and went right out and redid the sump, but I wasnít about to risk it again. Pumps went inside the sump and I hard plumbed the returns with lots of unions. Noise is negligible and cannot be heard at all from viewing room. Very happy with pumps. Tank manufacturer, not so much.


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Old 02/12/2018, 05:40 PM   #14
Reef noob_
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I went with all hard plumbing, partly out of necessity - I tried to drill the sump, which the manufacturers website said was not tempered, and guess what? Removed my baffles and went right out and redid the sump, but I wasnít about to risk it again. Pumps went inside the sump and I hard plumbed the returns with lots of unions. Noise is negligible and cannot be heard at all from viewing room. Very happy with pumps. Tank manufacturer, not so much.


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This is exactly why I am nervous about drilling a tank.


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Old 02/13/2018, 03:03 AM   #15
Deefish714
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Soft tubing and flex hose for drain. Keep it simple


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Old 02/20/2018, 10:14 AM   #16
Bryan3536
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This is exactly why I am nervous about drilling a tank.


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I blame myself a bit. For my 180g DT (which I also drilled) I did the polarized sunglasses test and called the manufacturer before drilling. For the sump, I looked at the tank manufacturerís table and drilled away. Shame on them, but I should have confirmed with sunglasses.


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Old 02/20/2018, 10:19 AM   #17
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Hard plumbing always looks better, but I prefer spaflex and or braided hose myself, usually less unions/elbows needed and the sweeping lines are usually quieter.


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Old 02/20/2018, 02:33 PM   #18
Thornbreaker
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Can you put a gate valve on the spaflex pvc?


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Old 02/20/2018, 02:34 PM   #19
mitch91175
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Can you put a gate valve on the spaflex pvc?
You can put a gate value on anything really. You just have to plan the plumbing.


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Old 02/20/2018, 02:38 PM   #20
Thornbreaker
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You can put a gate value on anything really. You just have to plan the plumbing.
Thanks, didn't know if that would compromise the softer pvc or the valve.


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Old 02/20/2018, 02:44 PM   #21
mitch91175
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Thanks, didn't know if that would compromise the softer pvc or the valve.
When you connect them together, just use something to tighten the PVC coming from the value to the tube and you should be set. You can search Amazon for "tube fastening clip" and you will see what I am referring to.


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Old 02/20/2018, 03:09 PM   #22
HBtank
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With a larger tank I would go with mostly hard plumbing and lots of unions. Spaflex in certain spots to make final leads to pumps etc..


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Old 02/21/2018, 05:35 PM   #23
Pet Detective
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I always use soft, easier to maintain, clean, replace, less chance of leaks [no joints, unions etc.], versatility ie. running my return wherever I want very easily, not mention waaaaay cheaper and less noisy, never ever had an issue since nineteen and ninety two. I do also use swing check valves on my 250g even though my 2 wet drys could handle the siphon and then some if the power goes out.


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