sump lighting question

[scottv1025]

is 175 mh good for a deep sand bed . with macro

 

[MarkO]

Seems like a lot of ligth for a sump. How big is it?

 

[scottv1025]

20 gal . how about those home depo light (flood light)

 

[Scuba_Dave]

What are you growing in the sump?
Just macro - low light like the 65w light at HD
Other people have reported very good success with the daylight light bulb 7500k I think