1.Mixed color granules with hardness
2.Free sample can be sent to your evaluation
3.Size,pack can be customized
Natural River Stone with Best Price
Apperance: mixed color granules with high hardness
Raw material: natural river stone, pebble
1. Good hardness
2. Washed many times and still clean
3. Elliptical-shaped and uniform size
4. High SiO2 content and anti-corrosion, long usage period.
Specification of River Stone (Pebble):
Hydrochloric Aid Soluble Rate
The river stone (pebble) can be filter media used for water treatment, is a necessary filter media in three layer filter pond. River stone also used in landscaping.