Light spectrum for autoflower plants

Mr.me

Well-Known Member

Aug 2, 2016

• #1

Ive seen some different opinions. What do you guys think is the best light spectrum for autoflowering plants?

 

grapefruitmarmalade

Well-Known Member

Aug 2, 2016

• #2

What are your options?

 

Yodaweed

Well-Known Member

Aug 2, 2016

• #3

id say 1k hps would be best for indoor lighting.

 

HighLowGrow

Well-Known Member

Aug 2, 2016

• #4

1k is nice. I use a 600 from seed to harvest. Well, cfls for the first 10 days then under the 600.

 

FarmerHatBeard

Well-Known Member

Aug 2, 2016

• #5

I use a 600 watt mh on one side for the younger plants, and a 600 watt hps on the other side for the older ones.

 

bigt4172

Active Member

Aug 2, 2016

• #6

600w LED

 

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pookat

Well-Known Member

Aug 2, 2016

• #7

had mine under mercury vapor then outside for the high summer till it got beaten shitless by the rain, now its just a pathetic insect eaten mess with really sticky buds the size of a thumb end, "Au Natural" disaster, but normaly 500w hps + 250w mv so 750w mixed

 

Mr.me

Well-Known Member

Aug 2, 2016

• #8

I have a 400w 4200k and a 2000k MH

 

grapefruitmarmalade

Well-Known Member

Aug 2, 2016

• #9

Mr.me said:

I have a 400w 4200k and a 2000k MH

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either are good. or both

 

grapefruitmarmalade

Well-Known Member

Aug 3, 2016

• #10

Mr.me said:

I have a 400w 4200k and a 2000k MH

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wait, did you mean 20,000K metal halide or 2000K?

 

Mr.me

Well-Known Member

Aug 3, 2016

• #11

2000K MH its in the yellow/red spectrum area.

 

Bubblin

Well-Known Member

Aug 3, 2016

• #12

Mr.me said:

2000K MH its in the yellow/red spectrum area.

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mmm