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Hello guys, I have few small scale grows under my belt, first cfl then couple of MH/HPS and now I'm thinking to try some LED equipment to reduce heat and power consumption. I have just one question, when someone on RIU compare gpw between HID and LED do they compare LED wattage on the wall or...

Hello guys. I never grow with HID lights before and now I managed to get some space about 1.5 x 1 meters (5 x 3 feet). I did veg phase with 400 W MH only and it is time to put them to flower. I have 400 W HPS for that. Would it be wrong for any reason if I keep both lights on? Thanks.

Hi guys, someone please help me. I am new grower and i would like to try hempy bucket method. Can i use kitty litter instead of perlite? Thanks.