Everything you listed a ?, don't know etc are very important elements of a grow so all that you're not sure of is the place to start on ur research. The fish rock are def no-no and not sure how ur using a soilless and rocks? Ur plant will take the same amount of time so getting it off "real quick" is not gonna happen, but if they struggle with problems then you can expect it to take longer. Make this section a daily main staple and you will find every answer you could imagine. Search button with a key word will bring you lots of subject specific reading.