the meal can be cheaply bought online. ive also heard some of the pellets have "additives" because its also used for livestock feed. something about the waxy coating that's used in the compression of the meal into pellets...? not really sure...? never used the pellets since the meal is readily available in my area. we use it on everything that has showy flowers; clematis, day lilies, roses, dahlias. it does tend to be a little alkaline, so ive heard its not recommended for acid loving plants.