6. The Mysterious Self-Cleaning Phenomenon
One of the most astonishing facts about the Blue Lagoon is its ability to completely cleanse itself every 48 hours without human intervention or chemical treatment—a feature that even baffles Icelanders. The water undergoes a natural filtration process as it flows through porous lava rock, which acts as a natural purifier. The combination of silica, minerals, and beneficial bacteria creates an environment hostile to harmful pathogens. While scientists have long observed this phenomenon, they are still working to fully understand how this perfect natural cleaning system maintains itself. The unique chemical composition of the water, including its high silica content and optimal pH level, plays a crucial role in this self-cleaning process. Additionally, the continuous supply of fresh geothermal water helps keep the lagoon pristine. This remarkable feature has attracted the attention of environmental experts worldwide, who see potential applications beyond the Blue Lagoon. Scientists and engineers are exploring ways to replicate this natural process in other settings, potentially revolutionizing water purification methods and sustainable resource management.
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