I am putting my outdoor mix together and want to know if this is OK.

supersoil from CA as my top soil
vermiculite
some triple 16/16/16 mixed in
Some Urea (46/0/0)
some sand

What am I missing?
rinconmann Reviewed by rinconmann on . Basic outdoor mix OK? I am putting my outdoor mix together and want to know if this is OK. supersoil from CA as my top soil vermiculite some triple 16/16/16 mixed in Some Urea (46/0/0) some sand What am I missing? Rating: 5