Bloombastic 0-20-21, anybody ever hear of?

Anybody ever try bloombastic 0-20-21 bloom enhancer? I hear not to use big bud and bloombastic together. It is linked here. Here it is the next good thing.

http http://www.hg-hydroponics.co.uk/atami-bloombastic----250ml-313-p.asp
For my next res change coming up 2 morrow i will have these in 2n week of flower to add.

GH 3 part with flora micro hardwater. Hydroguard. Kool bloom. Big bud. Bloomblastic.

any idea of what combo of flower additives to add. This is my first time to add enhancers.

thank you roll it up for your help and advice as always. I will rep for the coooooooooooollllllsssss

bump still curious