What is your preferred Metal Halide colour temp/Kelvin rating for your planted tank?
A AquaticJim Guru Class Expert Aug 2, 2007 173 0 16 Aug 11, 2011 #1 What is your preferred Metal Halide colour temp/Kelvin rating for your planted tank?
C Crispino Ramos Guru Class Expert Apr 23, 2010 278 4 18 Phoenix, Arizona, USA Aug 11, 2011 #2 I'm just guessing it must be 6700 Kelvin.
