Fan size, filter size, plant count, and a few other things would come in too play, but just smell your exhaust, i get 20 weeks out of one, 2 10 week flowering periods. jmo
Yup ifin yual bury them deep enough and then wait for the tectonic plates be shiftin enough to cause pressure carbon be needin to crystalize into diamonds and ifin yual can eat healthy and live bout the million years yual be gettin yur diamond. I might suggest yual get it started and start passin notes down through yur family tree so someone in yur line be gettin rich just not in our time sorry to say.
Yup ifin yual want yur diamons best be diggin now LOL, only diamons this pilgrem ever needed was the ones I be bustin back to get fur me wife, only 15 I will ever need