MH or HPS?????

follow3

New member
Which type of light is best?
I allways see people using metal halides for coral, but while searching for lights, I see that people use High Pressure Sodium for growing plants.

What is the difference?

Thanks,
Steve
 
[welcome]

They are two different bulb technologies. I think most HPS setups have a rather low color temperature, which wouldn't make for a very nice-looking reef, and might encourage more algal than coral growth.
 
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