[pogodzib]

Originally Posted by NoFx

but as far as i know those lamps were all tested one by one with the same reflector/ballast/and tank. they are more or less used for reference.

FYI - I'd consider any tests done by the Grimreefer or Sanjay to be very accurate and would trust them over most other people's results. When it comes to T5HO lighting, the Grimreefer is probably the most knowledgable reef keeper around.