The fins and tail on the mouth turn black

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　　 How to fix it========How did the fish friends of the Xianglong Aquatic Alliance comment==

　　Xiaobai came to raise fish, fish friends said: water quality problem, change water
Panic, no way, Yuyou said: New fish are common, excessive reaction, water quality and water temperature will improve, naturally it will change
Cock silk fish farming Yuyu said: change water frequently
Tianjin Erzi 1978 Yuyou said: Strengthen the filtration of your fish tank to improve water quality.
Jingjingcao Yuyou said: Adjust the water temperature
Hai IqiY4 Yuyou said: under yellow powder
Parrot Centennial Hill Yuyu said: mental state is not good
Flying fish 001 Yuyou said: water or temperatureThe growth of red arowana/Emperor Dragon?Red Arowana)The world"s largest red arowana picture"Arowana Red Dragon Fight^The best red arowana food?Red Arowana requirements for water flow,Red Arowana Cut$Arctic red dragon fish approach~The fins and tail on the mouth turn black。

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