The 20K color temperature is most commonly used with reef aquariums.
See detailed description and pricing below.↓
Description
Coralife Mogul Base Metal Halide Lamp, 175W, 20K
The Coralife Mogul Base Metal Halide Lamp, 175W, can be used to replace any 175W Mogul Base metal halide lamp. The 20K color temperature is most commonly used with reef aquariums.