Yep, the rocks reflect the light as opposed to the dark soil absorbing the light. Every little bit counts. Use marble or granite chips, though, since they don't absorb water.
9ski9 Reviewed by 9ski9 on . My Little Clever Girl Well, please say hello to my little girl Clever. Harddon lamented that a lot of good info got burried in a lot of goofy chatter in my last grow log, so I'll just be posting the bare bones of what I'm doing. (Which reminds me to say thanks again to the coolest dude I never met...) This grow is pretty basic and mostly on auto-pilot. The facts: Bag seed 9 plants sprouted in wet diaper 5'x5'x5' closet Milar, foil, and white paint Rating: 5