Filter Media
Bluestone has supplied filtration media to water treatment plants across India since 1986. Media are supplied in graded sizes for pressure sand filters, multi-grade filters, dual-media filters and gravity filters used in raw water, process water and effluent treatment.

Filter Sand
Graded silica filter sand for rapid gravity and pressure sand filters.
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Filter Gravel
Graded support gravel for filter underdrain and support layers.
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Pebbles
Natural rounded pebbles for filter support layers and drainage.
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Silex
Crushed silex (flint) media for filtration duties.
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Green Sand
Manganese greensand media for iron and manganese removal.
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Sand for Sand Blasting
Abrasive-grade sand for surface preparation and blasting.
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Quartz Sand
High-purity quartz sand for filtration and industrial use.
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Hard Coke
Hard coke for industrial and foundry applications.
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Anthracite
Anthracite filter media for dual-media and multi-grade filters.
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Activated Carbon
Granular activated carbon for dechlorination, odour and organics removal.
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Carbon Plate
Carbon plates for industrial applications.
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Manganese Dioxide
Manganese dioxide media for catalytic iron and manganese removal.
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Ion Exchange Resin
Cation and anion exchange resins for softening and demineralisation.
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Activated Alumina
Activated alumina balls for fluoride removal and drying duties.
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