Page 44 - Water and the Aquarium
P. 44

GARGAS: Water and the Aquarium               Page 44
               GARGAS: Water and the Aquarium               Page 44
                GARGAS: Water and the Aquarium               Page 44
                                                        UV Pt. 2:
                                                        UV Pt. 2:
                                                      Ways to use
                                                      Ways to use
                                                             an
                                                             an
                                                       Ultra Violet
                                                      Ultra Violet
                                                     Light System
                                                     Light System

                                                     If you are going to
                                                     If you are going to
        use UV for disinfection it is best you place the UV after a polishing filter.
        use UV for disinfection it is best you place the UV after a polishing filter.
        When I say polishing I mean a filter that is no greater than 100 microns
        When I say polishing I mean a filter that is no greater than 100 microns
        (um) in filtering capability. For a point of reference the with of a human
        (um) in filtering capability. For a point of reference the with of a human
        hair is between 50-75 microns or dividing a meter into a million. Since
        hair is between 50-75 microns or dividing a meter into a million. Since
        we are not metric in this country picture a yard stick 3 feet divided by a
        we are not metric in this country picture a yard stick 3 feet divided by a
        million each division would be one micron.  In my recirculating system
        million each division would be one micron.  In my recirculating system
        I employ polyester blankets that go as low as 25 microns. All the water
        I employ polyester blankets that go as low as 25 microns. All the water
        passes through the polyester blanket filtering material before it hits the
        passes through the polyester blanket filtering material before it hits the
        UV this allows me to get a “bigger bang for my buck” with the UV.  The
        UV this allows me to get a “bigger bang for my buck” with the UV.  The
        more the water is filtered the better chance for a parasite or bacteria to
        more the water is filtered the better chance for a parasite or bacteria to
        get irradiated. Any dust or particulate matter can shield the UV rays from
        get irradiated. Any dust or particulate matter can shield the UV rays from
        the object being destroyed whether its algae, parasite or bacteria.
        the object being destroyed whether its algae, parasite or bacteria.
        Below are photos of the blankets I use and the housing they go into:
        Below are photos of the blankets I use and the housing they go into:





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