http://www.canreef.com/vbulletin/sho...t=66180&page=4
Below is the non scientific Vertex Illumina SR 1200-200 PAR measurement taken with a Apogee Quantum Meter. My tank is 18" tall and the fixture is 6" above the surface.
White 100% - Blue 100% - Royal Blue 100%
759 about 5mm below the surface
484 On left frag rack
392 At top right coral colony
242 Center of Red Monti
227 Center of Clam
185 Front Elegance Coral
214 Bottom right middel of tank
148 Bottom rear of tank