I would like to substitute the EC-1118 with BM 4X4 since I really like the fruit forward profile this yeast produces. However, I have never used it on a kit before (just local grapes). I have heard that I should add extra nutrient. How much since the kit already has some nutrient in it? Or, should I just wait and see if I get some hydrogen sulfide being produced and then introduce a teaspoon or two? Also would DAP be okay or should I do a Fermaid K type of boost if needed?