[APD] PAR sucks because plants are green

["Daniel Larsson" <defdac at hotmail_com>]

>According to these people
>(http://www.cannabisculture.com/forums/showthreaded.php?>Cat=&Number=1041402&page=&view=&sb=5&o=&vc=1)
>HPS emits about 19% more PAR than MH.

The thing is: Any photon that is between 400 and 700 nm
will be included in the PAR-measure, including green.

An all green bulb (or yellow like HPS:es) can have good PAR.

That's where it hurts. The electricity bill that is =)


Best regards
Daniel Larsson

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