Why arent these autos big enough?

[ProteinPapi420]

Hi! Im growing an amnesia auto flower in soil and I am at day 17 but the plants look too small. The roots are healthy I give them plenty light and ph balamced water with normal amoumt of nutrients but they look too small for me!

 

[twentyeight.threefive]

Hi! Im growing an amnesia auto flower in soil and I am at day 17 but the plants look too small. The roots are healthy I give them plenty light and ph balamced water with normal amoumt of nutrients but they look too small for me!

Lack of light. See how much they've stretched trying to reach it.

 

[ProteinPapi420]

Lack of light. See how much they've stretched trying to reach it.

They didnt stretch too much