Top max (how to use it)

hows it hanging guys i was gave topmax as a gift but i dont know how to use it ! what i mean is do i mix it with the other nutes (bio grow and bloom)or do i use it on its own if thats the case how long after feeding do i use it...i dont want to fuck this up as i am 5 half weeks into flowering. so HELP ME OBI ONE YOUR MY ONLY HOPE..kiss-asskiss-ass Again THANX rollitup users , any help will be awesome.....