Features: 1.Natural stone material, after classics water is wet, can form a kind of add colour effect, can beautify aquarium purifies water quality. 2.Suitable for fish tank, aquariums, flowerpot, platform sets, etc. 3.Convenient and practical, available for freah water, seawater. 4.Made of quality material, safe, non-toxic, eco-friendly, durable. 5.Natural sandstone, good landscaping decoration for figh tank. Specification: Item type: Fish Tank Sand Material: Sandstone Color: white Capacity: about 1000g/bag Single grain diameter: Approx. 0.3-0.7cm/0.1-0.3in Product use: fresh water, seawater Applicable scope: fish tank, aquarium, flower pot landscaping, turtle tank bottom sand, platform set, water treatment filter, etc. No artificial addition of dyeing ingredients, the color is slightly dim in the dry state. After being wetted by water washing, it will form a color-increasing effect. Instructions: 1. Open the bag, put it into the cleaning container, wash it 2-3 times, remove the dust, and wash the grass without mud. 2. Lay into the bottom of the tank, use a sand shovel or other flat object, flatten as needed, or make an undulating shape. PackageList: 1 Bag x Fish Tank Sand Note： Long-term use will accumulate dirt, it is recommended to clean regularly.