HELP! Whats that?

[AlessandroLoco]

Good evening guys !!
i have 4 autos and she looks like very good except purple lemonade. I have a 3 lamps 160w led (480w tot) and somtimes the leaves dropping down. I use 11 lt pot and grow in soil. What do yuo think?

 

[AlessandroLoco]

[No message]

 

[AlessandroLoco]

[No message]

 

[woovygroovy]

When my plant looks like the one in the back of your second photo it needs water.

 

[oldjarhead100]

how far away is the light

 

[AlessandroLoco]

60cm, i have increased another 10 cm and now is 70 cm from canopy