Quick nutes question

i am doing a soil grow, and i am wondering if my nutes are good. I have Holland Secret: Bada Bing, Bada Bang, Bada Bloom... i am wondering how/when to start using nutes and how much and which one to start with. the soil i am using is Miracle Grow African Violet. i still have time to change but i'd rather not if i could avoid it.

please help
 
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