| L18-67 is just blue tube . They are cheap about $8 per tube. My T5 cost the
same thing.
L18-60 is red tube.
L36W / 76 cost me $6.
However , In term of brightness (LUX) I will need 10 tube of L36W/76
versus 4 tube of FQ54W/830 or 860.
Does brightness = better?
1 tube of L36W/76 is 1800lux to achieve 18000lux I will need 10 tube! |