Light spectrum for autoflower plants

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

What are your options?

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

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

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.

600w LED

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

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

Mr.me said:

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

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either are good. or both

Mr.me said:

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

Click to expand...

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

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

Mr.me said:

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

Click to expand...

mmm