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Hi all, My friend has a somewhat large vertical hydroponic grow room. His biggest problem with this type of grow is powder mildew, so he has to use a sulfur burner. Once that is solve his second biggest problem are those damm spidermites ! What effective method can he use to kill the spiders...

My friend has always used Co2 for his grow rooms with the fresh air fans going on for only 30 mins once every 3 hours ( note that he has a considerable size operation ). Lately he has converted to growing vertically and he's noticed he has a humidity problem which creates Powdery Mildew even...

My friend has just finished his second week of flowering in a vertical system that looks like this one -> ( http://www.hydroshop.ca/english/ecosystem-vertical-growing-system.html ) . He is using grodan v-slabs made of rockwool. He seems to have a major ph problem now ! Even if he changes his...

Hi everyone, I'm looking to do some vertical growing, something like in the picture. I guess I need a indica strain so that the plant doesn't get too big. I am planning on giving them 0 to 4 days of growth before switching them onto flowering What strain do u suggest I use for this type of...