OG - Kandy - Sour Kush + Ultraviolet Auto --First Grow--

Here my grow info, thanks for sharing your knowledge and good vibes!

My setup:

5"x5" Silver Edition HydroHuts Tent.
2x Grow UFO 90w L.E.D Lights ( 1 sunshine systems 1 no brand known).
1- 4" inline fan with a carbon filter.
1-16" Fan
Soil is a mix of coco fiber, peat moss, perlite,... (too much to list).

My nutrients:

CANNA Terra Vega & Terra Flores

My seeds are:

1- Kandy Kush
1- SourKush
1- Ultraviolet Automatic*
1- OG #18

This is my first grow ever, suggestions are welcome.

-At 20 days today

Kandy Kush



OG #18


Ultraviolet Automatic


SourKush

Hi there I have a question about my Kandy Kush, for the past few days I've notice some leaves dying and some yellow discolouration on others, can someone shed some light on this? Thanks in advance.
@21 days

be careful not to burn them up.....water only for awhile

Stellah I haven't add any nutrients yet, just water since they sprouted on Dec-4th.

The project goes on, at 31 days this is how they look like:
The OG #18 is the best so far, reacting very good to nutrients and best growth overall, right now looks little too green I just add nutrients for the first time, once on December 31st and on Jan 3rd... both with the light feeding chart from CANNA just awaiting for the 6th so I can add plain water, the Automatic Ultraviolets already into flowering and is looking good. The Sour and Kandy Kush are not looking too good, worst is the Kandy Kush that is showing dead and yellow leaves, with the Sour Kush there is a slight yellow discoloration on lower leaves.

Any pieces of advise are always welcome, dont be shy to share your knowledge...

OG #18



Automatic Ultraviolet



SourKush

Kandy Kush