只需 Gua Zhou Mu 瓜洲牧 NITRIFYING BACTERIA 硝化细菌 观赏鱼通用 鱼缸回归好水质 速成空气缸 Fish tank returns to good water quality Natural(自然) Bacteria culture of water(培茵养水) Purifying water body(净化水体) 80粒 你的鱼缸变干净了