The most common way of cleaning the drinking water tank today is to hire the local sweeper or plumber. This is many times done only after some people residing in that particular building complain of some health problems arising out of water borne diseases. This plumber or sweeper in turn usually employs a casual laborer to get the tank cleaned.
the tank giving full scope for their further development and multiplication in the drinking water tank, to make the drinking water risky for human consumption. The people who normally do these cleaning jobs are untrained casual workers who usually do not have any sense at personal hygiene and they themselves could be the source of contamination of the drinking water tank. Against all above serious demerits of the prevailing conventional methods of cleaning the tanks the only advantage which Penguin Water Care thinks probably is, the cheaper costs of such unprofessional cleaning.
This laborer, who himself on most of the occasions has the most unclean and dirty living habits, enters into the tank with a brush or a broom, (the same brush or broom which is used for cleaning the gutters and toilets.) and scrubs manually the walls and floors and only sometimes ceiling of the drinking water tank, using the same dirty water that is remaining in the drinking water tank.
Even after so-called thorough cleaning by them, the disease causing bacteria still remains in