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I've decided to downsize my OP, not that it was BIG to begin with. 4 plants to 2 and going to try LED again.
My question is,:can I transition form a 1K HPS to a 400 watt LED in the middle of bloom (as long as leaf temps are kept in line) without stressing them to hermi?
For many reasons I'm about to switch from HPS to LED
I'm running a 250w HPS in a cooltube for many years and would like some feedback from users who switch from 250w HPS to the TS 1000 LED panel
about the heat : real difference ? still need that big exhaust fan or could use a more quiet/smaller...