Hire a professional water tank cleaning company when the tank is underground, large, shared, or has not been cleaned for a long time. A trained crew removes sludge and wall film that hand cleaning leaves behind, disinfects with the right chlorine dose, and enters confined tanks safely. For a small rooftop plastic tank, a careful

A water tank that is not cleaned does not stay the same. Sludge builds on the floor, a film of bacteria spreads over the walls, and the tank slowly turns from a store of water into a source of contamination. The result for the household is recurring stomach illness, foul-smelling water, a worn-out pump and,

Water tank cleaning matters in Karachi because almost every drop a household uses has first sat in a tank, and stored water gets dirtier with time. A dirty tank exposes a family to typhoid, hepatitis, diarrhoea and skin infections through drinking, cooking, bathing and ablution. Cleaning and disinfecting the tank every 6 months removes the

The best time to clean your water tank in Karachi is twice a year: in March or April, before the summer heat, and in September or October, once the monsoon is over. Within those months, the best day is the one just before your line supply or tanker delivery, when the tank is nearly empty.

Regular water tank cleaning gives a Karachi home six things: safer water, water that looks and smells clean, a pump and tank that last longer, filters that do not clog every few weeks, fewer plumbing repairs, and early warning of cracks and leaks. “Regular” means every 6 months, for the underground tank and the overhead

Short answer: clean your water tank every 6 months. That is the schedule we recommend for every house in Karachi, for the underground tank and the overhead tank together. Clean sooner if your water comes from tankers or boring, if the tank is shared by a whole building, or if the water has changed colour,