175w Metal Halide

[christyf5]

Spectral Analysis of 175W Metal Halide Lamps - Part I (http://www.advancedaquarist.com/2005/11/aafeature2) by Sanjay Joshi

Spectral Analysis of 175W Metal Halide (http://www.advancedaquarist.com/2005/12/review) by Sanjay Joshi