biobizz fish mix

its veggin its bout a 1 1/2 months and i jus started feeding nutrients last week with fish mix. but i was kinda iffy bout it cuz its high in K.

so should i drop this nutrient and start using FF grow big?
 
anyone? jus a lil advice this is my second grow last year was a disaster..

biobizz fish mix npk 2-.1-6.6 should i stop this and use FF grow big?
 
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