worm castings?to much or not enough?

[rysk8er420]

you can grow in pure worm castings.

Yea, but i think its better to use a mix. It usually suggests the proper ratio of soil/worm castings on the bag but i would use about 2 parts for every 5 parts soil.

Then you can just add your other things like vermiculite, perlite, and any other organic ammendments like guano or kelp.