Hi, I was hoping somebody could tell me what the best wattage output for a small grow tent would be, the area is 120cm by 50cm, by 2 metres In height with 4 plants, I have a ballast that goes from 250w to 600w in 1 watt increments, I don't want to over do the lumens, currently I have the ballast set at 300w output, is this too much or not enough? as I only have 4 plants on the go I want to max out the wattage/lumens without any adverse affects to my plants. Any advice on this would be greatly appreciated. Thanks.
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