HarryRePotter
Active Member
could someone explain to me how many watts/lumens per square foot i have using 2 400w hps in a 4x4x6.5 space?
I just dont understand it. lol
Thanks in advance
I just dont understand it. lol
Thanks in advance
The amout of lumens will vary depending on the light but with 2 400watters you'll have atleast around 90 thousand lumens ( I think) and with a 4x4 space that is 5625 lumens per square foot, which is an acceptable amount for growing