The Public Health and Safety Organization (NSF International) conducted a "Germiest Places in the Home" study to identify the spots that were most contaminated by swabbing 30 surfaces in 22 homes - 660 tests in all - to measure levels of yeast, mold, coliform bacteria and staph. NSF's microbiologists found coliform on more than 75 percent of dish sponges/rags. Another Microbiome analysis and confocal microscopy of used kitchen sponges reveal massive colonization by Acinetobacter, Moraxella and Chryseobacterium species. This study was published in Scientific Reports and found that in just a cubic inch of sponge, about 82 billion bacteria were found (using samples from 14 used sponges that might ressemble the ones in your sink right now). Markus Egert (a known microbiologist) and his team identified 362 different species of bacteria living within them. When you think about it, that is nearly same density of bacteria you could find in human stool samples. Your wet sponge contains rests of food, the skin or other surfaces providing the perfect living conditions for those microorganisms to multiply. The Moraxella osloensis can cause infections in people with weak immune systems. It was found in the sponges collected from people who said they routinely disinfected them ( some microwaved them, others threw them in the laundry or dishwasher or douse it in vinegar or other cleansing solutions or even cook them in a pot. Our team designed a set of brushes made with top-quality, BPA-Free food grade silicone. These brushes have no pores and are non-absorbent so bacteria cannot inhabit them. They can be boiled for sterilization, washed in dishwasher or easily rinsed with water. They dry fast, so the environment won't be favorable for bacteria multiplication.They are versatile, flexible, durable, heat-resistant and don't smell. It might require a little bit more of soap compared to regular sponges, but the investment is worth it as they can last months.
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