A properly maintained pool is one that is visually and biologically clean. If the chlorine and PH levels are maintained, bacteria and algae will be killed and the pool will be biologically safe.

Filtration is mechanical process of removing insoluble matter from swimming pool water. Pool water carrying particulate matter, solids and debris is passed through filtering media that allow clear water to return to the pool.

Certain additional tools are also used to remove the insoluble matter present in the water as mentioned below:

Further the machinery and mechanism required :