Only the first one is an NPK the other 2 are additives and are not a full NPK nutrient on their own.

Shults cactus food is also a very good choice if you can't find the proper nutrients to grow this plant. You are always better off if you can find the proper nutrients for growing this special plant but if you can't then the cactus food is close.
Zandor Reviewed by Zandor on . Help me pick one of these ferts. Hello guys, Sorry for the many posts, trying to figure out whats the best for my plant.. hehe.. Im going somewhere tommorow and they have these things as listed. Tell me what you guys prefer and what should be the best: Jacks Orchid Special 8 oz: High nitrogen balance for orchids in fir bark. Feeds through both the roots and leaves. 30-10-10 analysis ------------------------------------------------------ Rating: 5