UNDERWATER REMOVAL OF CALCIUM DEPOSITS
Formation of scale on swimming pool tiles surfaces, in the form of calcium carbonate.
The use of calcium hypochlorite for water treatment could increase water hardness, resulting in scale formation. Water hardness is the quantity of calcium and magnesium salts dissolved in water, expressed in terms of CaCO3 ppm. Pool water is considered hard when it measures above 200ppm. Without excess calcium, scaling on surfaces is unlikely. Factors involved are calcium hardness, total alkalinity, pH, temperature and TDS (total dissolved solids).
The physical removal of scale formation by manual scraping together with the use of pneumatic tools.
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- workers and divers necessary to complete the job
- all scuba tanks and diving gears
- all working tools and pneumatic equipment