This chamber can be made any height in increments of 18". Each level is 18" apart to allow the lights to be raised and lowered.It uses four fluorescent light fixtures on each level and you can increase or decrease the number of levels. Each level itself is four feet deep, four feet wide and eighteen inches high. With four shop lights per level you get about 40 watts of light oneach square foot of plants which is adequate for germination and initial growth. I like to put a warm white and a cool white fluorescent tube in each fixture to get the light spectrum as balanced as possible.
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