Originally Posted by jeffy1833
What are the differences in Metal Halide lamps I'm looking at 250w, but they give a choice in 10k, 14k or 20k bulbs what are the differences and what are they used in as far as fish, reef etc.
mh lighting is the most intense lighting u can buy ,generally used in reef applications.
10000 k is more white and more intense ,with the best sps growth rate
14000k a little more of a blue light
20000k very blue ,u get the best colors out of these lights