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UV canister filter or normal canister


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I am upgrading my tank and will require a filter twice the size.

Instead of adding a second filter I would rather buy a larger one. My current filter is an allpondsolution EF 1000. I have been very satisfied with it and am now looking at the EF 2000. It comes in two versions. With UV or without.

Is UV beneficial. Is it worth 20£ more. Or does it do more harm than good

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I think that it depends on what you want the UV to accomplish.  A lot of these canister UV's don't have the right flow ratio (or a proper bulb wattage) to live up to the hype of keeping a sterilized tank.  If you're just looking for water that's a bit more clear, then maybe.  

 

I'm of the opinion that these kinds of UV systems aren't really worth the extra money.  Maybe a more powerful, stand-alone system might change my mind, but as of now, it's not something I'd throw extra money on.

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Thanks for the reply. Honestly I'm not looking for anything specific out of it. The option is there and I just wanted to check whether I should invest the extra money. I do believe it could be helpful in keeping algae at bay. I can imagine that your point about inbuilt ones not necessarily serving their purpose is probably correct. I read the flow needs to be quite slow.

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The UV will only kill free floating algae, which passes through the light, so I don't think that it will help for much more than green water.  

 

Other UV experts will be by soon, but that's what I think. :)

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Hi. Allow me to first clarify I am not a UV expert. 

 

What size tank are you getting? 

 

I have a 9 watt UV in my 1300 pgh pond pump and it seems this canister flows about 400 gph so I don't think the flow rate will be too fast. My pond stays clear of algae but I really have no idea if it is strong enough to be a sterilizer.  The information is out there regarding what gph through what watt bulb etc is needed. Google search should help.

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Interesting , i was looking into getting a canister with a uv for my pond for clarity reasons but maybe I will just live with the slight algea. Than having to deal with the gphand wattage stuff I mean it doesn't sound that hard just more like extra work :rofl I Actualy have a uv sterilizer my dad bought new but he never relized the power cord was sold separately and it's now old stock :rofl

Edited by Gustave
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This is what it says:

 

Authorization Required

This server could not verify that you are authorized to access the document you requested. Either you supplied the wrong credentials (e.g., bad password), or your browser doesn't understand how to supply the credentials required.

 

 

Maybe because I am in the UK?

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