The bulbs do not start to degrade until the they get plugged n and
operating. They can just about set indefinately on a shelf unused.

On 7 Jun 2005 13:55:00 -0700, "robv60" wrote:

===What is the SHELF life of a UV bulb? I recently purchased a UV
===clarifier and it seems to be doing absolutely nothing after about 5
===days. The bulb glows, but im just not sure its doing anything. The
===clarifier was "new in the box" but I have no idea how long it was
===sitting in the box before I plugged it in the first time. Do the bulbs
===degrade while sitting on the shelf while not in use?


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Put some color in your cheeks...garden naked!

~~~~ }((((o ~~~~~~ }{{{{o ~~~~~~~ }(((((o