The ones you will need are: Grow Big, Tiger Bloom, and Big Bloom they are the liquid ones that are mixed with water. The other types are Open Sesame, Beasty Bloomz, and Cha Ching they are grandular and are mixed with water. You will need to down load the feeding schedule from Fox Farms and follow it as closely as possible. I only feed every other watering as per the schedule and never use more than 1/4 teaspoon of the grandular nutes. Make sure whatever you use to ph the water after you add the nutes.