thanks to everyone for your advice, Roseman your post is helpfull indeed.
i have an extractor fan and ducting but the growspace isnt completed yet, i was jst testing temp. i will get the space completed and do another test.
what if i move the light across tops of the plants so they are not...
hi guys 1st time on here
im attempting my 1st grow and need some advice on temp, i have read that ideal room temp should be between 75-85F.
i got a 400w hps and have started doin tests to see if temp is ok, i have 3 mercury thermometers.
#1 at 15" below light (i "think" this is ideal plant...