blue ram cichlid
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Application of lactic acid bacteria in aquarium
Application of lactic acid bacteria in aquariumIntroduction: Lactic acid bacteria refer to a group of non-spore, gram-positive bacteria whose main product of fermented sugar is lactic acid. It is a general term for a class of bacteria that can use fe...
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Lingnan photo: 200 years of boat race against the water
It is reported that after the end of the Dragon Boat Festival every year, the Yangjiang folk dragon boat teams will bury the participating dragon boats deep in the mud of the river. Until the eighth day of the fourth lunar month before the Dragon Boat...