Uv sterilizer size

Uv sterilizer size

Postby midjim » Mon Aug 13, 2012 2:04 pm

What size or wattage uv sterilizer should I be using for a 190 gallon broodstock system with five pair of clowns in it. Also can you use bio pellets with uv cheers Mark.
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Re: Uv sterilizer size

Postby Scottt » Tue Aug 14, 2012 3:45 am

~60 watts with 360gph flow. or 70 watts with 420gph flow. At least that is how I design them. Although mine usually have 10-20 pair in a system that size. So for the lower fish density, you could go smaller maybe, but be sure to keep the ratio of watts:gph at or below 1:6 IMO
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Re: Uv sterilizer size

Postby midjim » Tue Aug 14, 2012 7:35 am

Thanks Scott.
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Re: Uv sterilizer size

Postby midjim » Sun Sep 09, 2012 9:41 am

midjim wrote:Thanks Scott.
I ended up getting a 72 watt one.
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Re: Uv sterilizer size

Postby joel1234567 » Fri Dec 21, 2012 10:03 pm

70 watts with 420gph flow


Tagging along... I've been wondering this same thing myself.

420gph in a 190g tank feels low to me, but I'm just getting started in my breeding adventures. Is that total system flow or just flow thru the UV unit? Is this a typical flow for a broodstock setup? Thanks!
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Re: Uv sterilizer size

Postby Scottt » Sat Dec 22, 2012 2:55 am

I'm not sure what typical is, but I've seen broodstock systems with that flowrate which have housed healthy productive fish for many many years. Having that type of flowrate allows for all water coming into each broodstock tank on the system to be filtered by the UV unit, helping to biologically seperate each pair in case of disease. Airstones in the tanks are nice too, but not required.

Higher flow is nicer, but the UV units required for it are expensive. Unless one doesn't filter all the water going to each tank, which is an option, just not what I think is best.
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Re: Uv sterilizer size

Postby spawner » Sat Dec 22, 2012 7:38 pm

Emperor Aquatics Smart UV 80 watt.
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Re: Uv sterilizer size

Postby KathyL » Sun Dec 23, 2012 12:10 pm

Spawner, where do you get replacment bulbs for that UV, and how often do you change them?
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Re: Uv sterilizer size

Postby spawner » Mon Dec 24, 2012 12:00 am

Directly from EA. Yearly, I think that 9000 hours is recommended. You can get bulbs from any EA distributor as well. I like their 50 watt a lot, very compact. We also have some 150watts in the lab. For the money if you have the space the 150 is the best deal. It doesn't have the multiple bulb ballast. I have some issues with the electronic ballasts that we have not have with the 150 watt ballasts.
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