i dunno man this kid just wont listen to what any one is saying. lumens are a measure of the perceived power of light, that is its god damn deffinition. Stop trying to be technical. PAR is a freakin term some jack ass wanted to invent all it stands for is the visible light. PAr is not expressed in a value. it is a value it exactly whaT U SAID IT WAS. 400-700. What is the problem here. Every thing this kid says contradicts the last.
JackdaWack Reviewed by JackdaWack on . HID vs CFL in a small one plant situation, given light spectrums being ballanced between each situation and all other factors the same, would you see a difference between ~300 watts of CFL, and ~150 watts of CFL supplimented by say a small 50 or 75 watt HID? my main areas of concern are with potency, density, and mass, as well as time till maturation. Rating: 5