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water is continually refreshed. the water that is retreated from the pool is discharged into the sewer, or it will be transported to a water purification plant. however all types of pool water must undergo treatment, in order to remain clear and clean, free from harmful substances, bacteria, viruses, algae
water is continually refreshed. the water that is retreated from the pool is discharged into the sewer, or it will be transported to a water purification plant. however all types of pool water must undergo treatment, in order to remain clear and clean, free from harmful substances, bacteria, viruses, algae...
https://www.advancedwatertreatment.co.uk/pools_leisure.html
these natural resources is the calcium carbonate cycle. plants and animals absorb calcium carbonate from water - where it exists, in most cases, in the dissolved form of calcium hydrogen carbonate ca(hco3)2 - and use it to build up their skeletons and shells. after their death, crustacea, coccoliths, algae
these natural resources is the calcium carbonate cycle. plants and animals absorb calcium carbonate from water - where it exists, in most cases, in the dissolved form of calcium hydrogen carbonate ca(hco3)2 - and use it to build up their skeletons and shells. after their death, crustacea, coccoliths, algae...
https://www.ima-europe.eu/about-industrial-minerals/industrial-minerals-ima-europe/calcium-carbonate