01-14-2008, 08:03 PM
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What's in it ...
Well, this question has more or less been asked already ... see about 4 questions down for that response.
I did design it and I mostly make it myself. I have been improving both the design and instructions for the past 5 years. I would like to address the question of whether or not this is something people can do themselves. You might be able to make a rudimentary denitrator yourself for maybe $50 and several hours of work but the quality and overall effectiveness will be questionable. DIY denitrators are notorious for not being reliable. The basic DIY design is not an efficient design. They might be suitable for very small aquariums and nano cubes.
My filters use thick black acrylic plastic for the body (very expensive), proprietary internal filter media, super high quality parts, tubing and valves. They have 5 years of experience that went into the design. I assure you that you would NOT be able to make a filter like mine. If you tried to make one that had a similar internal surface area then you would probably spend as much on materials and wind up with something ugly and very bulky.
Would you make your own Aquarium or protien skimmer? Some people might try it but most would not. A denitrator if anything is more complicated and even less understood by the average person. I do not understand why so many people on other blogs go and tell strangers to make it themselves. It's not that it can't be done ... I just do not believe that the vast majority of people will achieve adequate and satisfactory results. And the materials available at any hardware store will be vastly inferior to the materials I have available.