Quartz Sand (Silica Sand) 3 - 5 mm
The function of Silica Sand is:
1. Aquascape Media
2. Water filter/air filter | It can also filter mud, soil and particles both large and small in the air & is usually used for initial stage filtration.3. Making glass, cement mixtures, ceramics, etc.4. As a metal roof tile material to dampen the sound of rain.5. Sand blasting