I've seen calculations for NPK done a few different ways and want to get the facts straight.
Nutrients:
Veg Nutrient: 9-3-6
Bloom Nutrients 3-12-6
Mag Pro - 2-15-4
Protekt 0-0-3
Where N = NH4 and NO3 , P = P205 , and K = K2O
Is it as simple as averaging the numbers off the bottle...