"BenignVanilla" m
wrote:

"Andrew Burgess" wrote in message
...
snip
See above. A brief web search finds a 40w UV bulb for $50. A little
PVC and epoxy, and a ballast from the DH's desk lamp and off you go...
snip

And for those of you with limited knowledge of 'lectricity like me...be sure
you seal the juice from the pond water. Let's now read about a fried
ponder...at least not from a DIY submergible 'lectric device.

Lets not forget shielding people, and other animals from the UV.
Doesn't much but a short peek to sunburn your retina!