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Old 08-22-2012, 06:28 PM   #1 
Pixielator
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Question UV Sterilizer

What exactly do these kill? How do they work? I have a UV bulb and lamp (used to be for my turtle), could I just put that over that tank a few minutes a day and expect the same results? Whats the difference? How many watts and GPH should a UV sterilizer have for a 10 gallon? If I used a UV sterilizer thats supposed to be for a 50 gallon in my 10 gallon, would it harm the fish or plants? Thanks in advance.
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Old 08-23-2012, 03:04 AM   #2 
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Old 08-23-2012, 09:13 AM   #3 
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No, the turtle bulb contains a normal amount of UV, similar to the sun. UV sterilizers are a completely different matter. Your turtle bulb won't do anything to the tank, really.

A sterilizer will contain a high amount of UV that will kill off things in the water column; viruses, bacteria, fungi, protozoans, parasites, algae..
You want the UV filter running through less than 1" of water, have to replace the bulb twice a year, should be run 24/7, will kill off any beneficial bacteria it comes into contact with. It's a chunky thing. Doesn't sit over your aquarium as it would burn your eyes, it's like a filter, the light is hidden away, so it wouldn't have an effect on your fish or plants.
Really, pretty useless for a betta tank.
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Old 08-23-2012, 02:59 PM   #4 
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Aw, I'd get one if it didn't kill off BB. Oh well. Thanks for the info.
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Old 08-23-2012, 03:34 PM   #5 
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Well, if you consider 99% of bacteria is latched onto aquarium surfaces, it won't make any difference.
I think these things are pretty pricey, too.
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Old 08-23-2012, 07:04 PM   #6 
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I actually got one online from petco and they're on sale for 20% off, aside from that they have free shipping when I got it last week. I only paid 39$ for everything. IMO it's a good item to invest with specially my newly NPT setup has been getting some algae. It has been running for a good 4 hours and I must say the water has been getting clearer since I first plugged it in.
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Old 08-23-2012, 10:54 PM   #7 
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I guess it wouldn't be a bad idea. I mainly wanted it because I'm starting an african cichlid tank and since its pretty large, and will have lots of fish in it, I want to do as much as I can to prevent diseases, I also might start a sailfin ballon molly tank, but I'm not sure if I like those enough to stay interested. I guess I could also put it in my bettas' tanks every now and then for a day at a time. How many gph is the one you got?
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Old 08-23-2012, 11:52 PM   #8 
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50gph I believe
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Old 08-24-2012, 03:28 AM   #9 
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Would you say the current from that is too strong to leave in a betta's tank?
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Old 08-24-2012, 09:01 AM   #10 
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It is kinda strong, but the one that I have, you can move the tube output all around. So you can aim On the tank wall.
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