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A bottle tossed into a recycling bin can end up almost anywhere. Some of it ends up in a pool filter. VitroClean takes recycled glass, crushes it, dries it and screens it into carefully sized grains, then sends it out to do the job silica sand has done for generations: catch the dirt that a pool pump pushes through a filter tank.
VitroClean's installation documents list the company in Kent, Washington. The media is 100 percent recycled soda-lime glass, dried at 250 °F and screened into size fractions. Glass filter media also found a following outside the pool world; in 2011 a horticulture water treatment business introduced VitroClean as a sand replacement for greenhouse and irrigation filters.
VitroClean Green and Aquatic grades are sized to replace #20 silica sand in a sand filter. Because the glass is lighter than sand, the company says between 15 and 20 percent less media by weight is needed to fill the same tank. VitroClean also points to the shape of the grains: angular rather than round, which packs more openly, with a slight negative surface charge that holds fine particles during filtration and releases them on backwash. A coarser Pebble grade can go under the laterals in place of gravel.
At HVAC365 the brand appears in pool filter media:
When converting a filter, follow the filter manufacturer's guidance on fill levels, and backwash before putting the filter into service to flush out fine material. More options are in our filters and sanitizers collection.
VitroClean is made from 100 percent recycled soda-lime glass that is crushed, dried and screened into sized grains for water filtration.
Because glass is lighter than silica sand, VitroClean says 15 to 20 percent less glass by weight is needed to fill the same filter.
VitroClean recommends removing the old sand but says it is not required, since glass can be mixed with sand. Backwash before use to flush out fine material.
