 
             
            
                                                                                                                                            25 C°
                                                                                                                                                                                7.5 pH
                                                                                                                                                                                6 GH
                                                                                                                                                                                7 KH
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                                                                                                                            25 C°
                                                                                                                                                                                7.5 pH
                                                                                                                                                                                8 GH
                                                                                                                                                                                9 KH