Hesi Coco Anyone???

okay ive got a hesi nute package for an upcomming grow, and my questions are as follows, all help is much appreciated......

- has anyone used this range?
- did you go exactly to the bottle guidlines?
- why is an e.c metre no good for hesi coco?
- how do u measure the e.c un coco?
- it says "cup winner" on all the bottles, what cup, any ideas?
- if you use hesi how does it compare to other products?
- thoughts and use of the supervit?

plus rep for all who reply with sensible answers

hey cocoxxx, started that upcoming grow yet? just wondering how the hesi range was working out for you. I'm getting some meself you see... I know you have good things to say about supervit