Aquatop CF500 UV - Aquarium Forum
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post #1 of 2 (permalink) Old 02-26-2016, 08:47 AM Thread Starter
 
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Aquatop CF500 UV

I just set up a 75 gallon that I bought used and it came with an Aquatop CF500 with a UV light. The bulb was not working so I replaced it and thankfully it was the bulb so it's working now.

How often should I run the light? Should I simply let it run 24/7 or is that overkill? I've never had a canister filter or UV so I'm not sure.

I've also heard that the UV light on the CF500 is simply not enough to do any good on a 75 gallon. Is there any truth to that?

I do have another question about the filter. I'm not really sure what the most would be the most effective way to place the filter media. After getting it I opened it up and the previous user had the following (from top tray to bottom):

Fine filter pad
Small bagged bioballs
Ceramic rings
Course filter pad topped with ceramic rings

When I looked at a PDF by Aquatop it shows the layering as such (again, top to bottom):

Ceramic rings
Bioballs
Carbon
Course filter pad topped with fine filter pad

I don't plan on adding carbon but should I rearrange the media to more closely mimic what they show?

This is my first canister filter so I'm not really sure what would be most effective.
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post #2 of 2 (permalink) Old 02-26-2016, 09:50 AM
 
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Re: Aquatop CF500 UV

bio balls and ceramic rings accomplish the same thing. Bio filter. Rearrange if you desire, but no need. Guess I'll say, you want water to flow thru the bio filter. Putting all of the media into one tray, should force water thru the media better.

A balanced tank won't need uv at all.
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