| Old Sea Mud Rock |
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In Japan, Old Sea Mud (ミロネクトン) is used as a popular and safe natural additive for crystal red shrimp, red bee and other shrimp tanks.
Mosura Old Sea Mud Rock is grey in color and does not disintegrate in water. The above picture shows a new rock which shedded a little and a 6 month in water rock which is completely intact. |

