Are you aware that old, inefficient toilets are responsible for the majority of the water wasted in houses? If such ineffective toilets have been substituted with efficient toilets, you'd save almost 2 billion gallons of water daily.
To be able to "high-efficiency", the toilet ought to have a powerful flush quantity to not exceed 1.28 gallons per flush. This is around a 20% reduction in water use.
There are two standard forms of high-efficiency toilets that you are able to pick from. The first being a low flush toilet that matches or surpasses the 1.28 g per flush every time they're used no matter if you're flushing liquid or solid waste. Most major toilet manufacturers make these toilets in such a way that they look like any other normal toilet. If you want to buy a toilet for your bathroom, then you can visit Silent Venus.
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The second kind of toilet is referred to as a dual flush toilet. These are the toilets that normally have two levers or buttons that allow for different quantities of water to be utilized depending on what you're flushing. Other lever or button enables a "complete flush" or usually 1.6 gallons (based on manufacturer) when flushing waste.
There's also byproduct merchandise made by various companies that allow you to change the lever out on your current toilet. This item is just for a left front managed toilet tank, so be sure that whether it is going to work for you.