Will the Varios 4 work for my tank

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Manose

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I just ordered a Varios 4 and wave engine cord but not sure if this pump will be strong enough?
I have the Nyos Opus 440 100gal and the recommended pump is 525gph
Getting rid of the Jebao because it will not maintain a constant speed
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PXL_20241102_165842718.RAW-01.MP.COVER.jpg PXL_20241102_165900508.RAW-01.MP.COVER.jpg
 
Get the hygger 4000 pump, plenty strong enough, you'll have to dial it back. Cheaper and very user friendly. On my 75 I have it on 30% because the plumbing from original tank is all 1" and it can't dial it in enough to make it a perfect syphon unless I way restrict the overflow.
 
Get the hygger 4000 pump, plenty strong enough, you'll have to dial it back. Cheaper and very user friendly. On my 75 I have it on 30% because the plumbing from original tank is all 1" and it can't dial it in enough to make it a perfect syphon unless I way restrict the overflow.
The Varios 4 has been ordered already and I have the Jebao pump now and not liking it.
I am just hoping this Varios will put enough flow out for my needs.
I would have got the Varios 6 but it will not work with the wave engine
 
bump- anyone runing a varios 4 pump on a tank about 100gal?
I think you will be in good shape. The 525 gph recommendation from Nyos is a bit ambiguous (does it mean 525 at zero head pressure? It would help if they specified given they provide the plumbing). As I'm guessing you've seen, the Varios 4 has a flow of over 1,000 gph at zero head. At 6.5 to 8 feet, the flow is roughly in the 500 to 300 range looking at their flow chart:

https://www.coralvue.com/varios-4-controllable-circulation-pump
If you get it and it's not quite enough for your liking, you could modify the plumbing to remove a couple of elbows (assuming you can get your hands on the appropriate metric PVC stuff).

Hopefully someone with the 100g/Varios4 combo can confirm.
 
I think you will be in good shape. The 525 gph recommendation from Nyos is a bit ambiguous (does it mean 525 at zero head pressure? It would help if they specified given they provide the plumbing). As I'm guessing you've seen, the Varios 4 has a flow of over 1,000 gph at zero head. At 6.5 to 8 feet, the flow is roughly in the 500 to 300 range looking at their flow chart:

https://www.coralvue.com/varios-4-controllable-circulation-pump
If you get it and it's not quite enough for your liking, you could modify the plumbing to remove a couple of elbows (assuming you can get your hands on the appropriate metric PVC stuff).

Hopefully someone with the 100g/Varios4 combo can confirm.
Yeah I am runing the tank now with the overflow dialed way back and the Jebao runing at 20 watts, otherwise the pump does not stay at a constant flow.
This is the reason for getting a new pump, plus I have a wave engine that is not being used.
I guess if needed I could throttle the overflow down more.
I just want to get this right and not have to go through trying different pumps.
 
I posted in your other thread about the WaveEngine. I use the Varios4 as a return on my tank - I have about 90g of tank water volume. I run it at 100% and I think its enough. Not overpowering...but enough. And it is deadly quiet. I mean...I really can't tell its running. I now have my WaveEngine running 2 Varios4 and 2 gyres. Really helps keep all the powerpacks and external pump controllers down in my cabinet.
 
I posted in your other thread about the WaveEngine. I use the Varios4 as a return on my tank - I have about 90g of tank water volume. I run it at 100% and I think its enough. Not overpowering...but enough. And it is deadly quiet. I mean...I really can't tell its running. I now have my WaveEngine running 2 Varios4 and 2 gyres. Really helps keep all the powerpacks and external pump controllers down in my cabinet.
are you running your drain wide open or do you have have a valve on it slowing the overflow a little?
I love the idea of it being able to hook directly to my wave engine and the varios 6 will not connect to the w/e
and supply power.
 
You can use the varios 6 on the wave engine. Just have to use a 0-10v cable and plug into the controller
 
Yeah I like that option too. I’ve been contemplating getting a varios pump for my 90 gallon I think the 4 would be sufficient but all I have is the le. So I’d have to buy a wave engine too
 
Yeah I like that option too. I’ve been contemplating getting a varios pump for my 90 gallon I think the 4 would be sufficient but all I have is the le. So I’d have to buy a wave engine too
Yeah I love the wave engine and currently it's not in use.

I am not sure about this pump so gonna hold off taking it out of the box till I make sure it will work with my tank, because once it's taken out of the box I can't return it.
 
I use a varios 2 at 75% on a 75gal tall cube on a wave engine. So the varios 4 should be plenty for you
 
what did you end up going with?
I went with the varios 4 and really like it. The pump runs on setting 2 and smooth.
I need to add that I ran it with the wave engine but my unit developed a condition in which it would shut off the pump thus making my ATO run more.
Coralvue basically told me just have to buy another W/E so I am done with all hydros products.
 
I went with the varios 4 and really like it. The pump runs on setting 2 and smooth.
I need to add that I ran it with the wave engine but my unit developed a condition in which it would shut off the pump thus making my ATO run more.
Coralvue basically told me just have to buy another W/E so I am done with all hydros products.
Oh wow sorry to hear that! but glad to hear the Varios 4 worked out. I thought Id need a Varios 6 for my 100g but maybe the 4 will work too.

For the Wave engine, Would that affect other powerheads you connect to it?
 

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  • Something else (see my comments in the thread)

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