Resun Xtreme EF-2800 Canister Filter with 11W UV for algae control?

[lowell]

Hi.I'm planning to use this filter to my newly set up 48" X 18" 16".Will this help me control algae until in my tank during the adjustment period of my tank?

Thank you.

[David Moses Heng]

if i'm not wrong, it will also destroy your trace elements. Check with the experts here man.. I was thinkiing of that also but was advice against that.

[Aeon]

UV light also kills Nitrifying bacteria.

[lowell]

Thanks for the replies.I just wait for more feed back.

[blackBRUSHalgae]

UV light also kills Nitrifying bacteria.

Yes it does, nitrifying bacteria survives on filter media, substrate, wood, plant, etc., and not free floating in the water column.

I read from a lot of random places that UV will react with trace elements, but it seems that Amano still uses them on his large tanks.

[Aeon]

I think bacteria can survive anywhere, only that they colonize substrate and filter media. According to this wikipedia entry. Nitrifying bacteria is widespread in both soil and water.
http://en.wikipedia.org/wiki/Nitrifying_bacteria

Trace elements can be replaced but bacteria is more tricky. I also have read in an issue of Aqua Journal that UV light is not recommended long term as it kills bacteria.

[stephen chung]

Look like my resun uv canister filter gone to waste liao...sian...

[Aeon]

Hey I was reading The Style of ADA and Amano uses UV sterilizer for his largest tank (below pic).

[stephen chung]

so how...to UV or not to UV?? so confusion....Who is that A**hole tell me that planted tank is suppose to help my High Blood problem..Looks like is elevating it.

[Aeon]

No need to be confused. if you have bought the UV and don't wish to waste it and don't mind paying for the extra electricity used, you can run it 6-10 hours a day on your light timer.

If your plants show symptoms of trace element deficiency, just reduce UV duration and/or dose more in the morning.

[stephen chung]

Aeon,

The UV is build into the canister filter. So, I can't off it..sian man......

[Shadow]

you probably can take out the bulb.

I'm not sure how your canister design is, but the filter media should be protected from UV light. That means the bacteria should still be able to colonise the filter media. The UV light will kill the free floating bacteria but not the one that already colonize the filter media. If this the case than UV is ok, it just that you might want to increase your trace dosing.

Thank is what I'm thinking.

[stephen chung]

Robert,

I thought of taking out the bulb also, but it seems if I take out the bulb the electrical contact will be exposed...

[Shadow]

the light should be protected in the water proof clear chamber right? Once again I do not know how the design is until I see it.

[Shaihulud]

UV light should not be able to destroy trace elements, they can be removed by using activated carbon to bind them or by using a reverse osmosis process on the watr itself. UV light does not remove the nitifying bacteria in the tank surfaces or filtration. It kills the bacteria in the water though, but thats a non issue because the presence in the water is negligible to the cycling of the tank.

[stephen chung]

Shaihulud,

So you are saying that is ok to use my UV canister filter? I am about to redo my tank now...

[Shaihulud]

I do not use a UV canister filter, but from my understanding of how it works, it should not affect your aquarium negatively. UV light is basically used to sterilized the water incoming or outgoing, but it is not used to sterilized the bacteria on the filter pads or ceramic rings where the bacteria lives. UV light would remove the bacteria bloom "cloud" , remove green water, it would also reduce infusoria so it is propably not good to use in tanks with fish fry that feed on them.