A small button releases an average of 3 to 4.5 liters of water, which is ideal for flushing liquid waste. A large button, on the other hand, uses around 6 to 9 liters of water, which is ideal for flushing solid waste. It’s a simple difference, but it helps avoid wasting several liters of water every time you use the toilet.
Advertisement
This ingenious concept isn’t new! It was first implemented in Australia in the 1980s during a severe drought. The idea quickly caught on: today, dual-flush toilets are standard in modern, environmentally friendly homes.
