Oh i'm not saying it doesn't make a difference and there's not a reaction from changing spectrums at all man, i fully agree with that!!
I'm saying that changing the spectrums doesn't cause the plant to move through it's different cycles of life. putting red on a plant doesn't cause it to change to pre flower. the plants life does that. changing the spectrum just compliments the plants life is all. but it was all in context of our convo last night, not just a random tidbit.
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have you really noticed anything different when using the far red?
i bought one of those pucks but it was undersized about 15% for my area so i didn't give it a true fighting chance but i ran it for two consecutive runs and saw absolutely no difference at all and even forgot it was even there last round. i used it just as you describe, for 15 minutes just after sunset. i unplugged it for this round. i have one strain this time that is said to run longer than the average bear but all the rest are expected to run my normal 9-10 weeks, if they seem to take longer this round then maybe i'll revisit the far red.
maybe it's a subtle difference and i was just expecting a game changer.