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[APD] Re: WPG Rule
Scott H said, in part,
" . . . Yes. You've gotten to the issue, imo
The issue isn't whether there are more accurate measures of
light output -- even better, take PAR into account.
But how many folks have ready means to measure lux at the
bottom of the tank full of water?"
Sure, but most people can't measure color temperature or CRI, or compute CO2
based on KH and pH. That has already been done and is readily available on
I am suggesting that the same thing could be done for Lux, or Par, maybe
Better measurements of the effect of various bulb/reflector/whatever will
become available. It is question of when. Maybe someone on this list can
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