1st grow...platinum & blueberry og?...getting no height

10 days in veg, 75% of clones have roots coming out of 6"rockwool cubes...ppms at 850, ph 5.8, temp 77, humidity 40 to 65, res temp 72, 1000w MH 18/6...flushed 3 days ago...I only have 1 inch of growth in 10 days...I believe the clones were cut of mother plants that had just been put into budding...watering is 3 times a day 5/10/5 min...
bottom of my rockwool cubes stay really wet...a little squeez puts out a flush of water?...thanks

here are the pics of the garden and the ladies

PPMs may be too high for starters, try a ppm of about 400 and step it up 150 every week they are in veg. Also they do need to dry out a little. Rockwool cubes that size can hold enough moisture for a day or two for young clones like those ones you have there.

The other observation is that the clones look rather skinny, prob came from a youngish mother, so will take a long time establishing before they feel like reaching the sky.

your setup is almost the same as mine except i dont have the hydrotron underneath.

i was thinking the same thing as you when i first got mine in but give them like another week or 2 to really start going into the growth spurt. Also, make sure you dont over water because the cubes hold a good amount of water.