UV Question

super

super

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I recently upgraded to a 180. I was using a Aqua Classic 25w UV on my 90. Do you think I should waste my time on running it on the 180 or just wait until I can get a 57w and sell the 25w?
 
Keep it and daisy chain it with a 57w. Or get an Emperor around the 57w HO size and you're good with it by itself. You can't oversize a UV but can definitely undersize one. Most people aren't able to exactly control the uv flow rate. So, go bigger and leave room for error.
 
Super;866526 wrote: I recently upgraded to a 180. I was using a Aqua Classic 25w UV on my 90. Do you think I should waste my time on running it on the 180 or just wait until I can get a 57w and sell the 25w?
Click to expand...

I wouldn't bother using it on the 180. Sell it and put that money towards an Emperor UV. The AquaUV 57w is a waste; you're better off not running a uv.
 
What is a good uv for a 90g total system


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Seth The Wine Guy;866545 wrote: Keep it and daisy chain it with a 57w. Or get an Emperor around the 57w HO size and you're good with it by itself. You can't oversize a UV but can definitely undersize one. Most people aren't able to exactly control the uv flow rate. So, go bigger and leave room for error.
Click to expand...


I wonder how the effective rate of daisy chaining then would be? Selling it won't really get me all that much money, so chaining it with whatever else I buy might just be worth it... Other then the cost of new bulbs

Edit:
Skriz;866573 wrote: I wouldn't bother using it on the 180. Sell it and put that money towards an Emperor UV. The AquaUV 57w is a waste; you're better off not running a uv.
Click to expand...

Everyone has an opinion :)

I have heard great things about the Emperor so maybe I'll do some research. The Aqua has served me well for the time I have had it.
 
Super;866582 wrote: I wonder how the effective rate of daisy chaining then would be? Selling it won't really get me all that much money, so chaining it with whatever else I buy might just be worth it... Other then the cost of new bulbs
Click to expand...

Depending on what you end up buying and what the flow rate is, it can work. There are 80w uv's that are nothing more than two 40w units linked together. I'm sure there are other wattages done similarly.

Super;866582 wrote: Everyone has an opinion :)

I have heard great things about the Emperor so maybe I'll do some research. The Aqua has served me well for the time I have had it.
Click to expand...

:tongue:

I've done extensive research on uv's and have physically used more uv's than I can remember. I've thrown away dozens of aqua uv brand uv's. The 57 watter's failure rate was exceptionally high; way higher than their smaller units. The output is low also.

I've found Emperor to be the most consistent and power uv's out there. I spec and install them on every system I design. And I live by what I preach: if I can't use an Emperor UV on the system, it doesn't get UV at all! But, do your research for sure. See if you can get aqua uv to give you the uv output of their units and compare that to the emperor units. Stated wattage is VERY misleading. It creates a false state of comparison. Also look at the diameter of the uv chamber; this can tell you a lot about how much output you can expect from the lamp...


p.s. "I think I'm going to overrate my UV and go with an AquaUV" - said no over-engineering engineer ever ;)
 
Dwell time is achieved through the daisy chain. As you know, selling it won't get you much. Snag another nice unit you can stomach the cost of. I can't sing the praises of my emperor enough after using an Aqua UV and poor results. I oversized and put an 80w HO on my 200g twv system. I don't have to worry about exact flow rates, etc. I just let her rip. minimum flow rate of 200gph and max of 600gph and I'm able to keep the tank ich free. That's pretty nice flexibility IMO.
 
Well I'll buy something more when money permits as this initial setup has been quite pricey. According to Aqua 108gph is enough to kill ick with a brand new bulb, so I am running it at exactly 100gph for the time being.

Its not perfect but at least its doing some killing until I can get something more suited to the application.
 
Keep in mind, the common consensus is you need to turn your entire twv every hour to be effective.
What method do you use to know your exact gph flow rate?


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Seth The Wine Guy;866810 wrote: Keep in mind, the common consensus is you need to turn your entire twv every hour to be effective.
What method do you use to know your exact gph flow rate?


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Click to expand...

I have ball valves coming off the main plumbing for the UV, bio pellet and "future needs". I just tuned the valve and timed how many seconds it took to fill a gallon container and divided 3600 by that number. I also kept an eye on the temp but havent seen any noticeable change as of this morning.
 
Seth The Wine Guy;866810 wrote: Keep in mind, the common consensus is you need to turn your entire twv every hour to be effective.
What method do you use to know your exact gph flow rate?


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Click to expand...
Why every hour?
 
Acroholic;866868 wrote: Just because Dave!!!!! Now quit making trouble, hehehe!:)
Click to expand...
My bad. I forgot about that supersonic strand of ich that can read the label on the UV bulb as they swim by at Mach 1. Probably an ability they developed after several months of swimming against the magical undertow of a vortech power head while blinded by the cloudy precip. of Salinity salt mix.
 
Riddle me this!

Some people's fish get ick and it wipes out their tank.

Some people's fish live with ick.

In some tanks, I've seen some fish with ick. The other fish are clean.


Why does it kill some people's fish, while others have no effect? Is ick the cause of death? Or a sypmtom of stress?

There are many things that can cause a fish to stress: fighting, poor diet, poor water, new additions(if my wife told me my inlaws were moving in with us, I'd die!), etc.

It baffles me when people get a small out break, freak out, break down the DT to remove the fish, only to kill them all in qt due to all the changes and stress.
 
I guess I'm getting skipped over.... Anyway what size for 90 g system or not needed



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pcmc3;866985 wrote: I guess I'm getting skipped over.... Anyway what size for 90 g system or not needed



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Click to expand...

I had a 25w aqua on my 90 and that's what was recommended to me.
 
grouper therapy;866921 wrote: My bad. I forgot about that supersonic strand of ich that can read the label on the UV bulb as they swim by at Mach 1. Probably an ability they developed after several months of swimming against the magical undertow of a vortech power head while blinded by the cloudy precip. of Salinity salt mix.
Click to expand...

Hahahahahahaha
 
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