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grow room ventilation help


New Member
Hello friends,
I'm planning to grow within a small cabinet which i plan to buy and just convert it to a grow box

2.5 x 1.5 x 5.7 are it's dimensions

i'm planning to use a znet4 155w led grow lights for 2 plants. i'm only going to have 1 chamber for veg and flowering. (i don't plan to grow simultaneously, and only for personal use)

i need help with my ventilation. i've done a bit of research and i think i need a fan that would pull 21.375 CFM so i just plan to use a 120mm computer fan as an exhaust and probably add a carbon filter. i'm going to use passive intake and just light proof it (how big should they be and how many holes?)
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