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Water reducer admixtures, also known as water-reducing agents, are chemical substances added to concrete mixtures to decrease the amount of water needed for a specific level of workability. This reduction in water content allows the concrete to maintain its fluidity without compromising its strength. These admixtures can be classified into two main categories normal and high-range water reducers. Normal water reducers lower the water content by about 5-10%, while high-range water reducers—often referred to as superplasticizers—can reduce it by 12-30%.