Kool bloom equivilent

Im growing in premier pro mix and i am using this formula
http://www.progressive-growth.com/images/feedchartimages/trecipe-nov2005.pdf
I have everything except i am unable to get Kool Bloom
Can anyone suggest a alternative?
Or should i use the big bud for an extra week or two?
Thanks

bump
any info will help

You can use Overdrive from Advanced Nutrient in the last critical flowering weeks.
Don't use big bud the whole bloom cycle.

You obviously have the internet, so that means you can get koolbloom.