How are you cycling the aquarium? Do you know about the nitrigen cycle?
Yes, you should be putting water conditioner (prime) and bottled bacteria (stability) into the aquarium, but first you need to make a decision on how you plan to cycle the aquarium and that will inform you on what else you need to be doing.
If you dont know about the nitrigen cycle, say something and we can assist you in deciding on how you want to carry out your cycle.
Video link is a good introduction to the nitrigen cycle.