Smart pots

Im using smart pots with grow rocks I see the roots are coming through the bag should I have the whole table filled with rocks? When I got the pots I was thinking the roots would be contained in the pot avoiding the need to use so many rocks. The roots need to be in the dark correct? Thanks

Don't worry about it and next time use bigger bags. The roots will air prune.

Thanks for the reply I had to look up air prune Im off to a good start a lot to learn still. Thanks again