"Steve Wolstenholme" wrote in message
...
On Tue, 8 May 2007 08:31:25 CST, "John M. Darnielle"
wrote:

The manufacture of my ultra violet light recommends replacing the quartz
sleeve containing the bulb when the bulb is changed- does it degrade over
time or is there some other reason why it should be changed? I do clean it
every year and replace the bulb every other year. Thanks in advance for
your
reply.

Wait until it starts to do white. It will last much longer than the UV
light but it will eventually need to be replaced. Mine lasted eight
years and then it was only a bit white.

Steve

--
Steve Wolstenholme Neural Planner Software Ltd

EasyNN-plus. The easy way to build neural networks.

http://www.easynn.com

Two great answers- Thanks! Mine is just barely starting to turn white- I
thought it was just me not cleaning it as well as I could. As to cleaning it
every month- uh, once a season has been my habit, or after every 6 months of
use.