Natural sand with bacteria which can be used without washing!
Size grain: 1mm or less
|Size of aquarium (water capacity)||Amount of this product|
|Aquarium with fish||Aquatic plants only|
|Small aquarium (up to about 10 L)||1 bag or more||2 bags or more|
|Width 30 cm water tank (about 20 L)||2 bags or more||4 bags or more|
|Width 45 cm water tank (about 35 L)||6 bags or more||12 bags or more|