How to calculate yield

They say a g a watt true watts the k is the temp the light puts out not the heat it puts off and if your only doing a couple try getting a 315 w HID

Thanks Breezy, I do get a crop, in just over 100 days average, but I’m thinking more watts = more heat and I grow in a wardrobe, gets up to 30 degrees C in there and I don’t want it hotter. I’m gonna go see what the relationship is between watts and lumens, cheers from New Zealand. Mike,

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Understandable. just giving my 2 cents. i’ve read everywhere inadequate light is main reason for small/airy buds. them dense rock buds are blasted with light. I’m running at 135 wats in a 2x2 3500k I believe

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