Week 1 into flower

[Nils]

Hi guys,it's my first grow.
I have 3 plants around 40-45 c"m in week 1 into flower.
Any good advice before it became a mess ,my tent is 80×80×1.60 c"m with led 450w.
Thank you

 

[George Mc]

Things look good in the picture. I recommend you read this thread and come back with all the details so people can help you. How to Ask for Grow Support