What should I prepare before opening the tank？

　　Novice Want to use a 35*22*20 tank to practice hands, ask the gods, what potions need to be prepared before opening the tank?
======== Xianglong Aquatic Alliance Fish Friends Comment =====
God Forbidden Zone S Comment: Study
God Forbidden Zone S Comment: Nitrifying Bacteria
Please turn on the light. Comment: Try to use some uneven plants to arrange the whole fish tank. In this way, the overall effect will be improved~
Three-point hot Comments: For novices, how easy is it to come~
Shallow see Chiaki Comment: Do not use anything within a month, the natural conditions are the best, use it later depending on the situation
Pretending to be a lover Comment: When opening the tank for the first time, it is recommended to use some more common water plants and potions, and it is better to survive~
Your smile is too beautiful Comment: Nitrifying bacteriaHow many years can the finfish live%What is the best variety of swallow^How long can Egyptian swallow live@How old can Peruvian fish grow#Angle view of single duckbill outlet in fish tank~Variety ranking!The difference between black grass gold and black koiArowana peanut oil ads,Long tail panda swallow pictures$Long Tail Swallow Fish Picture$ Swaziland Fish，