Yes the installation of a UV with help reduce! the amount of parasites coming into the tank and algea but does not CURE if already present in the tank. Also ,its recommended to get a UV just a bit larger than what is advised. If you have a 100 gallon system get a 25watt UV.I have no experience with UV sterilizers. I am setting up a new tank and have been researching adding one to the new system for any added benefits. It's confusing stuff to me. For those with the knowledge, is it possible, through oversizing or otherwise, to install one UV sterilizer to effectively control BOTH parasites and help with nuisance algae? Or is that simply impossible?
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