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Old 12-15-2002, 12:38 AM   #1
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U.V. Sterilizer

How well would a 36 watt UV Double Helix sterilizer work to help control red slime algae? It is rated for a 500 gallon tank.
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Old 12-15-2002, 10:38 AM   #2
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If a UV unit is hooked up correctly and the flow rate thru the system is correct (slow enough) to provide a proper exposure the UV filter can effectively sterilize any water flowing thru it.

How will this effect exiting algae that may exist on the substrate or the rocks? Well I have to think it would have little effect as the UV is not removing the fuel that is driving this algae growth.

Uv units are only effective against parasites or bacteria or algae spores that are free floating in the water and also that get exposed to the UV lite at the correct exposure rate.

Often to many people put UV units inline with their filter systems at a flow rate several times higher than is effective.
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Old 12-15-2002, 10:49 AM   #3
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YA! YA! I know all about that. Fishfreek knows BIGGER and SLOWER is better tha smaller and fast LOL. Tim.
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Old 12-15-2002, 11:02 AM   #4
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The water is moving pretty darn slow through the uv sterilizer, we are running it off of a aquaclear pro 3 powerhead. The water return doesnt even make a splash coming back into the tank.
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Old 12-15-2002, 11:05 AM   #5
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Is this o hang on unit. I found that mine worked better at keepng the water clear when I started pumping water out of the tank as opposed to the sump. Tim.
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Old 12-15-2002, 11:09 AM   #6
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It is on the back of the tank...I do not use a sump.
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Old 12-15-2002, 11:12 AM   #7
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good. As far as the red alge You can increase the water flow to the affected area or, I'm told that adding more acitic light works. Tim.
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Old 12-15-2002, 11:13 AM   #8
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Quote:
Originally Posted by Hara
The water is moving pretty darn slow through the uv sterilizer, we are running it off of a aquaclear pro 3 powerhead. The water return doesnt even make a splash coming back into the tank.
I looked on www.petwarehouse.com for the aquaclear pro 3 but could not find one. do you mean AquaClear Powerhead Model 301?

I also looked up the UV unit you have and If you click on the More Info link you get some info on the GPH flow rates that would be acceptable.

More Info

IT looks like they recommend 500GPH or less flow rate so if your using the Aquaclear 301 your WELL under the max flow rate.
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Old 12-15-2002, 12:36 PM   #9
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I still have the box on the powerhead, it said it is rated from 150 to 260.
And it is made by Hagen....see what happens when you try to do stuff before your recommended daily caffeine consumption?
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Old 12-16-2002, 08:22 PM   #10
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so your saying they make a hang on the back uv sterilizer? if so where can i get one?
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