Quote:
Originally Posted by Tom Barr
However, you still have no reference standard to compare the light sources other than watts here between each other.
No "rule" can avoid that.
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It's not that bad.
We use average lamps, with avarage PAR, in average pendants with average parabolic (I hope) reflectors haning over sdandard sized tanks.
When you do the science, that's right to mesure the way you say, but we are just "farmers"
For us, "farmers", mesuaring standard situations is enough.
If we get something similar data to that link posted by VoughH we will be happy with that.
naman