The blue colour comes from the silica and the way it reflects sunlight. During summer there can also be a hint of green in the water. 
However, and this might come as a surprise to you, the water is actually white. If you pour it into a transparent cup, i
                    
                                            
                                     
             
            
            
                            
                                                            
                        
                        
                                                                                
                        
                            
                                5x beef
5x cheddar 
5x bacon 
5x joy
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