I had to twist the bulb in tighter to get the lux evened out ! I’ve been on the internet trying to get the perfect hps grow bulbs (with a good even lux) . The $80 bulbs has the same problem as the $20 variance in lux . Mine are 1000 watt hps I was hoping the 400’s were more level lux .Lights have been raised and lux has been checked on all 4, light is a bit uneven, but is favored towards the biggest plant...I'll work on leveling it later, just dont have the gas today to get er done/finished.
37k lux for smallest (lil trouper who sat in a mason jar) super skunk
41k lux for one blueberry
49k lux for 2and blueberry
52.7k lux for largest plant (super Skunk)
Light is approximately 22 1/2 inches from the top of the table(s)
On the OG stavia dominance ran the light at 10” above the canopy and did okay . The Dosidos wouldn’t have it curled first night !
Are you thinking about a super crop on the big girl ?