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Alright looks like I'll have to get a cool tube thanks for your help. Is it easy to switch reflectors?

I want to grow in a grow room size 2'7" x 4'11" x 6'7" and I want to make sure to cool my 400w metal halide so it can get close to my plants without burning them which I'm currently having a problem with. Right now Im growing open in the garage. Ive tried pointing a fan at the bulb but that...

I bought a 400w light because I wanted as much light as possible but it burned my plants. I raised it up the highest it will go so I think they are ok now. I'm venilating the room with a fan. The walls are just thin cotton sheets with mylar on the inside and the back right area is completely...

Would a 20,000 k spectrum metal halide reef aquarium light be useless for growing?

My sprouts aren't growing and the ph keeps raising. I'm using R/O water. My resovoir in the aerogarden is at 80 degrees, is this the reason? Are they unable to absorb enough oxygen at this temperature? Could hydrogen peroxide help? They seem to be showing signs of overwatering but I thought that...

My sprouts aren't growing and the ph keeps raising. I'm using R/O water. My resovoir in the aerogarden is at 80 degrees, is this the reason? Are they unable to absorb enough oxygen at this temperature? Could hydrogen peroxide help? They seem to be showing signs of overwatering but I thought...