Cyberfin Posted May 28, 2006 Report Share Posted May 28, 2006 I'm planning to have multiple tropical fresh water tanks sharing one large sump filter. As a security measure I'm considering installing a Ozone or UV sterilizer. As far as I can tell they seem to do the same thing. Does anyone feel one is better than the other re: cost, maintenance, efficiency? Quote Link to comment Share on other sites More sharing options...
fishboi Posted May 28, 2006 Report Share Posted May 28, 2006 i am a huge fan of UV-C systems and its recommended 2 watt per 1000 litre and ur need to change the bulb every year and the bulbs starts from $70 upwards. hope that helps. Quote Link to comment Share on other sites More sharing options...
Cyberfin Posted May 28, 2006 Author Report Share Posted May 28, 2006 Thank you. :bounce: Quote Link to comment Share on other sites More sharing options...
Faran Posted May 28, 2006 Report Share Posted May 28, 2006 UV-C bulbs need replacing every 6 months, don't they? Quote Link to comment Share on other sites More sharing options...
beachy Posted May 28, 2006 Report Share Posted May 28, 2006 Yip, but sometimes last a bit longer, i have run them for yonks without changing them Quote Link to comment Share on other sites More sharing options...
caserole Posted May 28, 2006 Report Share Posted May 28, 2006 I don't know whether 2watts per 1000lt is correct or not but uv will not work properly if the water passes by the bulb to fast not giving adequate contact time. The spec's on any potental unit will tell you what that is. I run a 40watt uv unit for 4000lt system with no prob's, but you really do need to change that bulb when it's due. Quote Link to comment Share on other sites More sharing options...
fishboi Posted May 28, 2006 Report Share Posted May 28, 2006 WOW 40 watt that's a monster of a UV-C system. i run a tiny 9watt on my 8000 litre pond. its crystal clear most of the time but could do with a bigger one though. Quote Link to comment Share on other sites More sharing options...
caserole Posted May 29, 2006 Report Share Posted May 29, 2006 Yes you need less uv to kill algae were as what I do is kill 97% of all life form in the water before it hits the tanks making the chance of whitespot or what ever emigrating from tank to tank very low, imagine having to treat 4000lt for whitespot doing a 30% water change per day no thanks Quote Link to comment Share on other sites More sharing options...
Cyberfin Posted May 30, 2006 Author Report Share Posted May 30, 2006 what I do is kill 97% of all life form in the water before it hits the tanks So even with a powerful UV system I shouldn't consider my tank completely safe from disease? Quote Link to comment Share on other sites More sharing options...
caserole Posted May 30, 2006 Report Share Posted May 30, 2006 The / an organism can be already there waiting for a weak fish or you can introduce it. I have a multi tank system, the uv helps alot but nathing is full proof after all people make mistakes Don't misunderstand what I just said I serive my uv properly every year and I would not be with out it!!!! Even if you do get a problem in one tank the uv will reduce the chance of it getting into another tank, I introduced white spot not long after I got uv in my filtration it didn't spread to other tanks. I did end up having to isolate that tank for treatment but better that then have 1000 lt to treat with large water changes dayly Quote Link to comment Share on other sites More sharing options...
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