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5/6/2005 12:03:01 PM

what light is best to start growing with mh or hps and when is the best time to switch?
green thumb
5/6/2005 4:43:28 PM
Re: Mr.

mh to start switch to hps when you want to start flowering and reduce light hours to 12.
5/7/2005 9:47:33 AM
Re: Mr.

Changing lighting period depends upon whether what you are growing is day neutral or not.

If it's day-neutral, like chiles, photoperiod does not affect flowering and fruiting.
5/7/2005 10:36:25 PM
Re: Mr.

Here's a great article I found on Photoperiodism:
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