Canreef Aquatics Bulletin Board

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- Lighting Specific (http://www.canreef.com/vbulletin/forumdisplay.php?f=173)

- - MH lights (http://www.canreef.com/vbulletin/showthread.php?t=102341)

Cal_stir

11-13-2013 08:58 PM

MH lights

Can I use single ended MH reflectors without the lens?
Does the lamps outer glass block the UV?

Aquattro

11-13-2013 08:58 PM

yes and yes

Cal_stir

11-13-2013 09:00 PM

Thanks and Thanks :biggrin:

lastlight

11-13-2013 09:17 PM

if splashed the bulb's casing can shatter and still operate... really nuking the tank's inhabitants. The shield offers some more insurance but will also reduce PAR some.

Cal_stir

11-13-2013 10:34 PM

Quote:

Originally Posted by lastlight (Post 858655)

if splashed the bulb's casing can shatter and still operate... really nuking the tank's inhabitants. The shield offers some more insurance but will also reduce PAR some.

Yes, that could be a problem, I'm going to try to get some tempered glass that is not UV rated.
Thanks for the input.

Aquattro

11-13-2013 10:44 PM

I ran mine for a couple years with regular glass, no issues at all.

Cal_stir

11-13-2013 10:51 PM

Quote:

Originally Posted by Aquattro (Post 858669)

I ran mine for a couple years with regular glass, no issues at all.

Cool, they are 250W Lumenmax2 and won't be enclosed in a hood so shouldn't get too hot.
Thanks for that.

Rogue951

11-13-2013 11:53 PM

if it's not actively cooled, a 250 watt will get hot... lol...

Aquattro

11-13-2013 11:55 PM

Quote:

Originally Posted by Cal_stir (Post 858676)

Cool, they are 250W Lumenmax2 and won't be enclosed in a hood so shouldn't get too hot.
Thanks for that.

I ran 3 x 400w in Lumenarcs in a hood. They were fine. Yes, they get hot, so don't touch them :)

Cal_stir

11-14-2013 12:03 AM

Quote:

Originally Posted by Aquattro (Post 858706)

I ran 3 x 400w in Lumenarcs in a hood. They were fine. Yes, they get hot, so don't touch them :)

I like to go with experience, even tempered glass can break.
Thanks Brad

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