Does citrus make dairy curdle? A complete guide to the science and technique
                                
                                
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                                    4 min read                                
                            
                                The average pH of milk is around 6.7, making it slightly acidic, a delicate balance that is easily disrupted by adding a stronger acid. This is why introducing a highly acidic substance like citrus can cause a visible reaction, leading many home cooks to wonder: does citrus make dairy curdle?