I'm adding a pusher fan and a exhaust fan on the line since the distance is over 20 feet of ducting and i'm afraid that simply a single exhaust fan over that distance won't be enought to cool two 1000 hps bulbs. I'd rather go overkill than loose bulbs.
twilight12 Reviewed by twilight12 on . Brown spots, potential MG deficiency.... Your thoughts are requested!! Interesting situation, New York City Diesel in three gallon container used for propogation purposes. Cuttings were taken from this mother plant one week ago at which time she started to develop these odd brown marks on her fan leaves. The brown marks only appear on the established fan leaves and not on new growth. The clones taken from this mother have shown no signs of browning. Each of these fan leaves also curls. Current room statistics are 85 F, 26% H (it's winter no way to raise it, Rating: 5