你知道硝化細菌是什麼嗎？原來養魚是養了一缸細菌，細菌對魚的生長是非常重要的！#養魚課堂 #養魚技巧 #養魚知識 #新手養魚 #養魚第1步 #養魚從0開始 #水族 #觀賞魚 #熱門視頻 #fish

Do you know what digestive bacteria are? It turns out that raising fish is raising a tank of bacteria, which are very important for the growth of fish! #Fishkeeping Classroom #Fishkeeping Tips #Fishkeeping Knowledge #Beginner Fishkeeping #Step 1 of Fishkeeping #Start Fishkeeping from 0 #Aquarium #Ornamental Fish #Top Videos

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