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Old 06-27-2014, 02:30 PM   #11
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Yeah once my tank it started hopefully in a couple weeks waiting on store to get in more rock (he sold out this month and I hadn't ordered the rest of my equipment yet) I'll use my 10 gallon to quarantine new guys then add to the 30 and run the Uv just in case for a couple days

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Old 06-27-2014, 08:39 PM   #12
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When I did fish only, I thought they helped reduce parasites. But in the end it was a maintenance pain and just paying attention to the inhabitants requirements eliminated the parasite worry. They are probably more efficient at killing everything but parasites.


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Old 06-27-2014, 09:11 PM   #13
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When I did fish only, I thought they helped reduce parasites. But in the end it was a maintenance pain and just paying attention to the inhabitants requirements eliminated the parasite worry. They are probably more efficient at killing everything but parasites.


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Yup, I've found they work best against algae and unwanted bacterial blooms, but parasites it's like trying to catch butterflies with a hula-hoop, you might get a couple with the ring, but most are never effected.
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Old 06-27-2014, 11:07 PM   #14
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The thing about UV sterilizing is ensuring as much water passes through it as possible. The small ones marketed to put in your tank or sump are basically worthless as barely any water passes through it. For this to be effective at all, you need to have one plumbed directly into things or on a large return pump. This is how it occurs for drinking water. Tie that in with needing to replace the bulbs yearly, at max, UV sterilizers aren't worth the effort in my opinion.
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Old 06-27-2014, 11:15 PM   #15
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I agree. Parasites especially need a fairly long exposure to kill it. That's why the flow rate works in conjunction with the bulbs wattage. The bulbs also age really fast. The ones used in public aquariums and water supply are pretty big usually with multiple high wattage UV bulbs.


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Old 06-28-2014, 01:48 PM   #16
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The thing about UV sterilizing is ensuring as much water passes through it as possible. The small ones marketed to put in your tank or sump are basically worthless as barely any water passes through it. For this to be effective at all, you need to have one plumbed directly into things or on a large return pump. This is how it occurs for drinking water. Tie that in with needing to replace the bulbs yearly, at max, UV sterilizers aren't worth the effort in my opinion.
exactly. for small aquaria it's a catch 22;
you need ALL the water to be processed, but it has to be done at a flow rate much, much lower than proper filtration calls for.
So you essentially need two filter systems, one for filtering the water in general and another to filter the water prior to going through the UV.

Overall not worth it beyond using on a hospital tank.

and the first time you break the quartz sleeve and have to replace it, you'll probably just stick it in the closet.
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Old 06-28-2014, 01:55 PM   #17
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Well good input I'll use mine as it came with the pump after quarantine but shut it down after and once it goes toes up not replace it lol. But for the price I got mine for I couldbt complain

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Old 06-28-2014, 02:34 PM   #18
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Is anyone aware of a way to determine if a UV bulb is worn out other than timing it?


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Old 06-28-2014, 02:36 PM   #19
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The newer units have a "built in LED indicator", if you don't have that then other then timing I don't know.
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Old 06-28-2014, 02:50 PM   #20
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Depending on the unit, take it apart. That is how I manage the one on my water line to check to see if it is caked in manure or not.
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