On Tue, 12 Oct 2004 16:11:21 GMT, Chris Hodges
wrote:

And only need a couple of holes drilled and pumped through with CO2
to make them clear again.

why CO2 tho? Plain air works I believe.

Plain _dry_ air would, but it's probably easier (==cheaper) to get hold
of CO2 than dry (enough) air.

Hi,

Welding argon would help the thermal performance a bit which can be
important for a solar panel.

If the edges are taped with foil tape there is a good chance the DG
unit won't mist up again.

cheers,
Pete.