New Delhi: Every time you press a flush button, you make decision about the use of water. That small decision directly affects household water consumption and has a clear impact on the water bill. Modern dual-flush toilets may appear ordinary, but the choice between the two buttons determines exactly how many litres are sent down the drain.

Understanding how each button operates and when it is appropriate to use it can turn a simple bathroom habit into a surprisingly effective water-saving practice. Each press becomes an intentional choice rather than an automatic reflex, with measurable benefits over months and years.

In most dual-flush toilets, the larger button triggers a full flush of approximately six to eight litres of water, which is roughly 1.6 to 2.1 gallons. The smaller button

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