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by Rocketboy 9

Sometimes a little extra ventilation and air flow is needed in small grow cabinets that are used for sprouts, seedlings or clones.  When this comes up I like to use a computer fan for this job because they’re easy to hack and easy to find.  Below is a video of how I put a fan together without solder.   I hope it helps and let me know if you have any questions or comments.
Grow, Learn, Teach