How many inches high for 250w hps dual spec?
sohighifly Well-Known Member May 14, 2013 #2 I believe you can go as low as 5" as long as your temps allow.
Bigby Well-Known Member May 14, 2013 #4 Yeah, you can get them pretty close. If the back of your hand is comfortable under it then the plants will be fine.
Yeah, you can get them pretty close. If the back of your hand is comfortable under it then the plants will be fine.
Slipon Well-Known Member May 14, 2013 #5 View attachment 2656016 but also depend on your ventilation/fan`s and if you have a cool tube/hood or not and of course ambi temperature`s
View attachment 2656016 but also depend on your ventilation/fan`s and if you have a cool tube/hood or not and of course ambi temperature`s