ogatec said:ya those microscopes are fun & help with the process when you are new, after a few grows you will be able to look at the plants from across the room and be like ya, they have about 3.5 more days....lol
you can get down to look @ each bulb to see their development under full magnification with those pocket scopes!
Surfnfisher said:Id say a little over an elbow. Which is 1.6 zips per plant. Let them go for at least a couple weeks.