Strong UV and Carbon Dosing

one can not determine that without knowing the amount of flow desired to go through the UV. though it would probably do the job just fine for all pathogens. :D

what is wrong with overkill, even if it was?

the original question in the thread is about a 36w UV. a 56w UV was mentioned in a study and is not what is going to be added to the system in question here. though i am a big believer in bigger is better when it comes to skimmers and UV's if an oligotrophic system is what is being emulated.

G~
 
Bigger is not always better in UV's. Based on the chart you linked, once you get to the higher levels, then you start to kill beneficial bacteria.

With 56 watts on a 65 gallon system, you could be pumping 500 gph through that and still do harm.

Do what you wish and think it right. I guarantee your water will be clear, of EVERYTHING ;)
 
i am confused on what you mean by beneficial bacteria, and how are they not as susceptible to UV as harmful bacteria? do beneficial bacteria have shields on them to reflect UV that the harmful ones do not? if the UV is strong enough to kill bacteria, it is going to kill all of the bacteria. it does not matter if we think they are beneficial or harmful.

how is running lets say 200gph through a 100w UV going to do anything to the critters in the system that are not able to fit through the UV? it may kill off anything that goes through the UV, but if these affected organisms and organics are removed quickly from the system (why i would recommend running the exit water from the UV directly into a skimmer), then how is this going to do any harm to the system, if not help the system by making the skimmer more effective at removing different types of organics.

G~
 
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