arowana lightWhat should I do if the water has been mixed for two days after opening the tank？

　　What should I do if the water has been mixed for two days after opening the tank?
=======The following are Yuyou comments=======
:べ.Zhen Comment: Of course, you need to break into the tank to open the tank.
J-马马马马马马 Comment: Digestive bacteria are not perfect
li_san523 Comment: Nitrifying bacteria have not been established yet
eugeeuge Comments: Of course, you need to break into the tank to open the tank
Alai. Comment: Take your time.
A I love Red Dragon Comment: Increase oxygen
Running little turkey Comment: This is a necessary process
niuniu201 Comments: Of course, you need to break into the tank to open the tank
Wuxi Saohai Comment: Yes, then burst oxygen!!
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