Plexiglass over MH lights

[fencer]

My old Hamilton ( 2 x 175MH and 2 x 40) had plexiglass on it but the hood had a good vent fan on it. I really depends on the size of the hood because you need space for air flow. There was no problem with the plexiglass

[mark]

glass on my 250W gets hot enough to burn flesh, I'd been concerned with plastic melting/burning

[Doo]

A Hamilton is what I have and I have been using 5 mm glass but I think that it is a hint thick

[pelle31]

I had my 250 on a 33 awhile back. The tank had a plastic brace,and it melted all out of shape.
So when I had a day off I reshaped it using the heat from the 250. I'd be careful.

[mark]

Originally Posted by Doo

A Hamilton is what I have and I have been using 5 mm glass but I think that it is a hint thick

my PFO's came with 1/8" (~3mm) glass shields

[fencer]

The shield I have was from Hamilton..it is 3mm

[Doo]

Originally Posted by fencer

The shield I have was from Hamilton..it is 3mm

3mm plexi?

or regular glass?

[fencer]

plexi...might be 4mm and yes I still have it