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- - MH Question (http://www.canreef.com/vbulletin/showthread.php?t=15788)

Jaws	04-22-2005 05:10 PM

MH Question

Why is it that there aren't any 400W double ended MH bulbs yet? I'm sure they exist or can be made. We have the technology, we can build it.

muck	04-22-2005 05:22 PM

PFO makes a 400W DE Bulb and fixtures.

http://oceanencounter.com/Merchant2/...egory_Code=MHS

mr_alberta

04-22-2005 05:39 PM

There are only 2 makers of DE 400W as far as I know. They came out late last year sometime. There's also an article out there by Sanjay Joshi about them.

muck	04-22-2005 05:41 PM

http://www.advancedaquarist.com/issu...004/review.htm

Jaws	04-22-2005 07:49 PM

400W DE MH's

Very interesting. Pretty similar to the tests on a single ended MH bulb and a DE MH bulb. There is a difference but it is minimal.

rickjames

04-22-2005 08:58 PM

J&L has a 400W double ended bulb listed now.... I wonder what it is like..

http://www.jlaquatics.com/phpstore/s...t_ID=lb-h4020q

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