12 drops 7?? what test kit? The kits should have a chart with a number asigned to it what is your at..
And to start with IMO
you do not need to worry about that right now, you have a cycle to get through. Read read and read some more on this site. You need to be testing for ammonia, nitrite and nitrates right now. What are these readings. do you have LR
if so how much. More info would be helpful
Oh ... Welcome to AA
Take a deep breath and slow down, it will all come in time and remember that nothing good happens fast in this hobby.