humboldt nute schedule question??

any of you guys use humboldt nutrients? if so what feed schedule are you doing? thinking about switching to humboldt just wanted to know which was the best schedule out of the 3 they have on their site.

master a and b all the way whith humboldt county own additives

LOL i use the3 part and i have a perpetual ( i may be laughed at or ridiculed for this by the pros but......) I use there 3 part soil schedule but feed at there week 7 for flowering amounts throughout the whole flowering process and get amazing results.