Every 6 months
On municipal DJB supply, a home rooftop tank should be cleaned twice a year. That’s the baseline.
Most Delhi homes go years between cleanings — here’s the schedule that actually works.
On municipal DJB supply, a home rooftop tank should be cleaned twice a year. That’s the baseline.
Borewell water carries a heavier mineral load, so tanks scale faster and need cleaning more often.
Rain carries dust, leaves and insects through weak lids. If you clean once a year, do it in early September.
By the time water tastes off, sludge has built up for months. Clear water is not clean water.
If you can’t recall the last cleaning, it’s overdue. Ignore anyone pushing monthly — that’s just upsell.
Get back on schedule — trained, police-verified crew, food-grade process, photos and a dated record. Often same day.