20K Metal Halides

Thomalop · 06/01/2008, 08:27 AM

Do 20K metal halides burn as hot as 14K metal halides?

Also do 20K metal halides work well with coral?

Thanks in advance.

Peter Eichler · 06/01/2008, 01:19 PM

1.) There are a lot of factors incolved, but in general, yes.

2.) Sure, but again a lot of factors involved such as exactly what corals we're talking here. 20k bulbs tend to have lower par levels than lower kelvin bulbs so your growth may be a little slower.

Thomalop · 06/01/2008, 04:06 PM

I will be using two 400 watt 20K's in 75 gallon.

06/01/2008, 08:27 AM	#1
Thomalop Registered Member Join Date: Nov 2007 Location: Columbus, Ohio Posts: 151	20K Metal Halides Do 20K metal halides burn as hot as 14K metal halides? Also do 20K metal halides work well with coral? Thanks in advance.

06/01/2008, 01:19 PM	#2
Peter Eichler Registered Member Join Date: Feb 2004 Location: Milwaukee Posts: 6,081	1.) There are a lot of factors incolved, but in general, yes. 2.) Sure, but again a lot of factors involved such as exactly what corals we're talking here. 20k bulbs tend to have lower par levels than lower kelvin bulbs so your growth may be a little slower. __________________ April 2015 TOTM

06/01/2008, 04:06 PM	#3
Thomalop Registered Member Join Date: Nov 2007 Location: Columbus, Ohio Posts: 151	I will be using two 400 watt 20K's in 75 gallon.