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In swimming pools and spas, calcium phosphate scale is rare. But in the right conditions, it can form scale deposits that are harder to manage (and remove) than calcium carbonate. This article explains calcium phosphate, how it forms and precipitates, and how you can prevent it.
Every year, dust from the Sahara Desert in Africa travels across the Atlantic Ocean to the Americas, and it is vitally important to our global ecosystem. The nutrient-rich Saharan dust, abundant in phosphorus, nourishes the ocean's phytoplankton and algae, while also acting as a natural fertilizer for the lush Amazon rainforest. That same dust also gets into swimming pools.