1000W HPS autoflower grow Moby Dick XXL DAY 30

Im growing in a 4x4 room using 1000w hps light i have 12 moby dick auto xxl they are still in veg i have them in 6 gallon pots, im still trying to learn so every advice you guys got please give it to me its my first time growing indoor im a soil grower.

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StareCase

Well-Known Member
... What's the reason for this (genuinely curious). I keep hearing contracting answers ...
MH during VEG followed by HPS during BLOOM best replicates what the sun does during an outdoor grow. With the sun higher in the sky during the summer, the colour temps are in the 6500K range. The sunlight has a more bluish tint during the months of June through to mid August. As the suns position in the sky drops moving from those summer months into autumn, the colour temps also begin to drop.

When I first started growing with 4' fluorescent tubes many years ago, I always used the higher colour temps for VEG - the cool white tubes with the slightly bluish tint which better replicated the summer sun. The higher blue content during VEG generated more bud sites with shorter internodes helping to keep the plants from getting too lanky.

When they went into flower, they went under the lower colour temps - the warm white tubes with a slightly yellowish tint which better replicated the autumn sun.

And although I no longer use those 4' fluorescent tubes, I still follow that practice of dropping the colour temps during flower. My VEG light is the HLG BSpec with the colour temps ~4100K and my flower lights are Vero COB's with the colour temps of 3000K.
 

Loki_83

New Member
MH during VEG followed by HPS during BLOOM best replicates what the sun does during an outdoor grow. With the sun higher in the sky during the summer, the colour temps are in the 6500K range. The sunlight has a more bluish tint during the months of June through to mid August. As the suns position in the sky drops moving from those summer months into autumn, the colour temps also begin to drop.

When I first started growing with 4' fluorescent tubes many years ago, I always used the higher colour temps for VEG - the cool white tubes with the slightly bluish tint which better replicated the summer sun. The higher blue content during VEG generated more bud sites with shorter internodes helping to keep the plants from getting too lanky.

When they went into flower, they went under the lower colour temps - the warm white tubes with a slightly yellowish tint which better replicated the autumn sun.

And although I no longer use those 4' fluorescent tubes, I still follow that practice of dropping the colour temps during flower. My VEG light is the HLG BSpec with the colour temps ~4100K and my flower lights are Vero COB's with the colour temps of 3000K.
Thank you
 
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