美国两只小鱼 硝化细菌 Matural Heterotrophic bacteria. Promotes assimilation of Nitrate and Phosphate. Improves water quality. 排毒净水 Digests organic debris in gravel and filters. 鲜活菌 分解毒素 8A11028 XaN auuew.oquoldolg 降低营养盐 250ml 安全无害 250ml