Half the Flush, Double the Impact: A Tiny Toilet Tweak to Save Big on Water
A Small Flush for You, a Giant Leap for Water Conservation!
Did you know that the average toilet uses 6 to 13 liters (1.6 to 3.4 gallons) of clean water with every flush?
Now imagine this: what if you could cut that number in half—without replacing your toilet?
A simple, daily action—reducing the amount of water used per flush—can help conserve thousands of liters of fresh water each year. All it takes is a small household tweak.
The Data Behind the Flush
- Toilets are the #1 water user indoors, making up about 30% of total household water use. (Source: EPA: Why save water?)
- Older toilets use up to 13 liters (3.4 gallons) per flush, while even standard newer models use 6 liters (1.6 gallons). (Source: USGS: How much water do I use at home each day?)
- Just reducing 1 flush per person per day in a household of 4 can save over 6,500 liters (1,700 gallons) of drinking water per year.
Try This: The “Bottle-in-Tank” Trick
Here’s how you can reduce toilet water use with no tools or plumbers needed:
- Take a clean 1-liter plastic bottle.
- Fill it with sand, gravel, or water, seal it tightly.
- Place it carefully inside your toilet tank, away from any moving parts.
- Each flush now uses 1 liter less water, without reducing flushing power.
You can repeat this with a second bottle depending on your tank size and flush strength.
Aligning with Sustainable Development Goal 6
This simple act contributes directly to SDG 6: Clean Water and Sanitation, which calls for sustainable water use and improved efficiency across all sectors by 2030.
With water scarcity already affecting over 40% of the global population, every liter saved counts. (Sournce: UN Water: Water Scarcity)
Drop a bottle in your toilet tank today—flush smarter, save water, and make a daily difference for our planet.