Low pressure sodium - 200 lumens per watt

P

Paul Tergat

Member

Jan 2, 2010

• #1

http://www.lamptech.co.uk/Documents/SO1 Introduction.htm

I googled a bit, one of those bulbs like SOX 135 watts (16 dollars) pulls out 23.500 lumens, not bad for that power. Is there any good reason (besides their length!) for not using them for growing?

 

C

Cheechman54

Active Member

Jan 2, 2010

• #2

......Good question.

 

R

runninupinya

Active Member

Feb 24, 2010

• #3

bump... I am curious about these as well

 

doobiedaze

Well-Known Member

Feb 24, 2010

• #4

probably wrong spectrum

 

Pipe Dream

Well-Known Member

Feb 24, 2010

• #5

I'm not sure it's probably in the grow bible. I'm sure I've read about them they probably produce excessive heat or are in the wrong color spectrum or something or people would be growing with them.