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hmmm,
If it would pull the dead bug out, the skimmer should pull the live bug out as well. not too cure that the use of UV would realistically help much with skimming...
maybe the decomposition products as long chainged organic compds. Pelagic clumps of cells would be removed as well, but that is another subject. Personally I haved not used a UV for many years due to grwoth related issues associated with UV use in the past. I experimented for two or three months with UV and saw decreasing growth rates in staghorn Acroporiids (my measure in rapidly growing spp. at the tips, may have been unrelated to UV use, but once I stopped the sterilizer, growth rates picked back up again in about 3 weeks.)
but that is just my experience, I am sure that there are folks that can prolly list no such issues with growth of the corals.
I might also add that if you have a system that uses NSW for water changes, or uses a partially open or fully open system (to the ocean), then I would insist on the use of UV treatments to kill any potential pathogens, predators, parasites or opportunists that may come in with the fresh seawater, especially in systems with fishes.
JM2CW
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Tom <"))))>(
(TDWyatt)
Wise men speak because they have something to say; fools, because they have to say something. -Plato
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