Par of led lights?

optimal PAR for cannabis plants is 700 - 800 micromole however you can increase this by supplementing with Co2 as this figure would be for normal concentration of Air. Also another better way of increasing Photosynthesis is to find a light that also has enhanced spectrum for the Emerson 2nd effect. If you need any more info, please feel free to contact me.

Max :)
 
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