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Superior purity
While other filter media can contain a variety of contaminants, Waterco Glass Pearls are chemically treated for superior purity.
In fact, Glass Pearls have been independently lab-tested for leaching contaminants and fall well within the Australian Drinking Water Guidelines.
Due to their superior purity, initial backwashing requirements are significantly reduced.
Safe
Glass pearls are safe to use and maintain. Glass pearls are spherical and have no sharp edges, making them truly safe to use.
Superior depth filtration
Glass pearls operate on the basis of “depth filtration”; dirt is driven through the filter bed and trapped in the small spaces between the particles of filter medium, allowing the cleaned water to pass through. Conventional media like sand are crushed and sieved; they generally have an irregular structure and a larger variation in particle size. A conventional media filter bed is more porous and cannot trap fine particles. Glass pearls are man-made based on specific geometric shapes with an extremely narrow particle size range of 0.6 mm to 0.8 mm, which allows for a dense, homogeneous filter media bed that can filter particles down to 3 microns. A micron is equal to one millionth of a meter.