I am a new grower trying to grow Chrystal by Nirvana.
I have Phlizon 900w. LED Veg. lights going in a 3x3x5 tent and 6 plants.  Temp is 78 degrees and humidity is 55% , ph with and without Nutrients is 6.2.  Over the last few weeks I have brought the light down from 36" to 21" above the canape.  I topped at the 5th. node and my plants are going into week 4 with no shock.  They are only 4.5 inches tall in a 5 gal. cloth pot.  and 3.5 gal. plastic pot.  Do they need more light?
Any suggestions?  Is it OK?
Thanks so much for all your help😗