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Originally Posted by jaysee View Post
If these are in the flow before the media (which I believe is the case as Jaysee pointed out) then this compounds the issues with these setups as the water is not already clear. The UV relies on direct light exposure and particles (turbidity) will shade the water that is not directly against the bulb or lens. Any UV system puts the light exposure as the very last point before use. I expect that tannic water will almost nullify most UV treatment altogether even before turbidity comes into play, but that is just a logical assumption.
I had a few paragraphs more but I deleted them, too much information. If anyone really wants it, pm me.
Total years fish keeping experience: 7 months, can't start counting in years for a while yet.
The shotgun approach to a planted tank with an LED fixture
Small scale nitrogen cycle with a jar, water and fish food; no substrate, filter etc
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