Recent content by harry

in the past i have switched to 12 hour light cycle after my plants were about 6 inches high until they started to bud then pulled the males and went back to 24 hour light is this ok did i hurt my plants do they have a life span i wonder if it any affect on them the harvest wasnt that great...

how do you know when its time to change your hps bulb i have a 400 what bulb