To tall? Northern Lights Autos

Grow Cycle
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1

Hello, first grow. Are these too tall for Autos? They are 40 inches 1 was 40+ had to tie main stem down. Not enough light height. They are Northern Lights from ILGM. Thanks

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2

Lol I just measured and mine is 28" but I bent the taller ones over on mine so I’d say it 33". I didn’t think it would get that tall because it’s nl and an auto but it did.