I personally think that refugiums are awesome... but I'd diy with an overflow, tank, a light, and some cheato or calerpa and a return pump.
UV sterilizers only mask the problems in your tank... it won't kill all the parasites in the entire system, but it will control them some.
I get the feeling that this sudden urge to get a UV sterilizer is in the interest of your lost fox face. I think your biggest problem is not realizing you are overstocked with two tangs in that small of a tank and not parasites (although with two tangs in the tank there are bound to be outbreaks when stress levels on them rise) Get rid of them, and you won't have to spend the $150 dollars on the UV sterilizer.
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210 Gal Reef w/ 55 Gallon Sump/Fuge, 125 Gal Fish Only, 65 Gal Seahorse-29 Gallon Sump, 55 Gal FOWLR, 54 Gal Corner FW Community, 20 Gal Nano FOWLR, 55 Gal Piranha, 29 gallon QT
"All the yellow tangs and clownfish in the world can't save you now! hahahah" Peter from Family Guy
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