if a 400 watt HPS is too much light for flowering two LST'd (hopefully) in a 8 cubic ft box? see i was gunna buy the light for future cab grows but i might just stick with the one i found so i dunno if i shouldnt just buy red spectrum T5s or something? any help would be appreciated
ahh awesome! cause i was gunna buy the 400 watt with xmas money but for now i baught a 6 pack of these for my grow cab and a 6 pack of these for my mother/clone box also a 4ft x 150ft roll of mylar DD my flower box is 8 cubic ft and my mommy box is 6.75 cubic ft and the wattage would be like 10,800 lumens in each box think id be ok?
Shoot for 3,000 lumens per square foot (not cubed foot) of garden. Also, remember that the further the lights from the plant, the less lumens it receives. Try to keep within a foot with CFL.
hmmm 3k per square ft, i only have like 6 square ft in my flowering box but i only have like 10.8k lumens total and id need 18k, am i far too short to have a decent grow?
i just noticed my babies were curling already and theyre about 2 - 3 days old as 2 were started before the other two i thought it was my light, currently my 4 babies are under a 40 watt floro tube from a fish tank i used to have, they turned green in a day under it but they started to curl under so i got scared and moved the light up. but how far should a 40 watt floro tube be from such young babies? help i'm scared for them