After cylinder change

　　After changing the cylinder, a large ceramic ring is placed in the upper filter. Can the previous small ceramic ring be placed in the cylinder?Please help thanks!
========Comments of Xianglong aquarium joining Yuyou =====
99954816 Comment: Yes Big or small
yanggguang8001 Comment: Yes, the ceramic ring in the original tank, nitrifying bacteria are saved
ouye yuanbao Comment: Can be placed on top
Reef Touch 2014 Comment: Nothing is wrong, OK
Drumstick MaxWell Comment: Dont throw it before, put it inside temporarily, put it on top, and change it after two months
Very nice comment: each has its own love, whatever you want
A good boy comment: Put it on, mainly for nitrifying bacteria, not much to do with the tank
Obedient NO.1 Comment: Put it in and save
Void and Cloud Comments: Dont put it in the tank, put it in the filter tank and use it with the big one
Little fish-grown up Comment: Necessary, your new tank has not yet nitrifying bacteria, the previous filter material can increase nitrifying bacteria for youParrot fish with swollen eyes?How to treat parrot fish eyes protruding@What"s going on with fish eyes protruding,Can you eat fish with swollen eyes?&Will the fish eyes be swollen?(One of the fish"s eyes is very swollen*What is the cause of fish eye swelling"Tropical fish eyes swollen out.Fish eyes swollen^ Worcester Fish。