Manufacturer: Evoqua Water Technologies
Media suitable for Sand and Gravel filters
Our sand is a carefully selected grade of hard, uniformly graded silica material. The media is naturally rounded particles of silica or milled angularly shaped particles of silica quartz.
Filter media particle size is between .45mm and .55 mm (#20 sand). No more than 1.5% shall be allowed to pass through a #40 sieve (.0164″).
Support Media shall be 1/8″ x 1/4″ gravel utilized to avoid damage to the underdrain system.
Media shall be delivered and stored in 100 pound bags (approximately one cubic foot) for ease of handling and elimination of possible contamination.
All media is free from minerals which may precipitate onto pool surfaces.