What’s the Purpose of Dual-Flush Toilet Buttons?

Modern dual-flush toilets are often misunderstood, with many people thinking the two buttons are merely decorative.

Dual-Flush Toilet
However, these buttons are designed to save water: the larger button is for solid waste, using 6-9 liters of water, while the smaller button is for liquid waste, using 3-4.5 liters.

When used properly, dual-flush toilets can help households save up to 20,000 liters of water each year compared to traditional single-flush systems. Though initially more costly, this system, introduced in Australia in 1980, benefits both the environment and household finances.