Majestic_Aquariums Posted June 20, 2005 Report Share Posted June 20, 2005 Was looking @ a pond UV sterilizer a couple weeks ago (laguna, can't remember the model #, but it was $170, and rated for ponds up to 1200 gal) But anyway, it showed on the diagram that it is in-line, with only 1/2 the water volume passing through to the filter. The woman in the store explained that this is so it doesn't kill off all the good bacteria. But in time, wouldn't you end up doing that anyway? I know nothing about these, but want to add one to our large aquarium in the near future. Should be kinda like this. 230 gal, w/4000 gal./hr pump. 1/2 of the overflow to the filter would pass through the UV system. So @ this rate, wouldn't you end up running 7X the water volume through it in an hour anyway? (approx.) Any help would be great. Thanks Rob Quote Link to comment Share on other sites More sharing options...
HOSStile Posted June 20, 2005 Report Share Posted June 20, 2005 I found these 2 sites provide a huge amount of data regarding this, from what it looks like as long as you have an established filter you would be fine but if you had UV on from the beginning you would effectively never cycle your tank. http://www.ultraviolet.com/water/water01.htm http://www.aquadirect.com/store/customer/home.php?cat=24 Quote Link to comment Share on other sites More sharing options...
Majestic_Aquariums Posted June 21, 2005 Author Report Share Posted June 21, 2005 Cool, thanks for the links! That has already answered some questions. It sounds like contact time is one of the major keys for success-I might want to try a different plumbing method, a seperate pump that will feed less water, but longer contact with the bulb.. Quote Link to comment Share on other sites More sharing options...
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