Tempered glass for MH lens...

fencer · #1 03-26-2010, 05:21 PM

They can be found in any glass shop ( 20 / pane). Actually DE have the UV filter. The extra glass shield is to protect you from an exploding DE.

Marlin65 · #2 03-26-2010, 05:29 PM

My Mh have Low E tempered glass on them and are DE.

sphelps · #3 03-26-2010, 06:48 PM

Quote:

Originally Posted by fencer

Actually DE have the UV filter. The extra glass shield is to protect you from an exploding DE.

That doesn't sound right, why would a DE bulb be more likely to explode?

Quote:

DE lamps do not have the large outer envelope typically found on single-ended lamps that is used to limit the lamp’s UV radiation. Double-ended lamps require an additional safety glass to be installed in the lamp’s fixture in order for them to be safe for your tank’s inhabitants.

http://reefkeeping.com/issues/2007-03/sj/index.php

fencer · #4 03-26-2010, 06:56 PM

DE bulbs run under pressure....I can't remeber but I think it was greater than 50 psi

brizzo · #5 03-29-2010, 08:41 PM

Speaking from experience cooking everything in my tank ... DE halide bulbs are NOT UV shielded; except the ones from Coralife (or so they claim).

Personally I was unable to find a glass shop that could get a piece of tempered glass that small. Each glass shop I checked with said "no problem, but it's a minimum charge of $30 for any tempered glass", then would get the phone call "sorry we cannot get tempered that small". The explanation was due to the small size of the glass not being able to travel through the furnace that does the tempering.

But, if you do find a shop that is able to produce; please let me know

Marlin65 · #6 03-29-2010, 08:59 PM

Your right they have a min size but it is 6"x12"
I can get them.

brizzo · #7 03-29-2010, 09:12 PM

Quote:

Originally Posted by Marlin65

Your right they have a min size but it is 6"x12"
I can get them.

I was looking for a piece roughly 4.5x8" for a coralife 150w clamp on pendant. The solution was having a glass top made for the tank, our of regular 1/8" glass.

sphelps · #8 03-29-2010, 10:40 PM

Quote:

Originally Posted by nazerine

I was looking for a piece roughly 4.5x8" for a coralife 150w clamp on pendant. The solution was having a glass top made for the tank, our of regular 1/8" glass.

I'm pretty sure I can get that done here for you if need be. I had a couple pieces done a few months ago that I recall being around the same size. If you want me to look into it just shoot me a PM.