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Reading a pH value of 4

Reading a pH value of 4

This water sample has turned red after a pH test tablet was added indicating a pH of 4 when compared against the color chart provided with the testing tablets. A sample's pH value is one indicator of water quality. A value of seven is neutral. Values above seven are basic and values below seven are acidic. Most aquatic animals prefer a range of 6.5 to 8.0.
Galleries: Water Quality Monitoring, Water Quality Testing
Keywords: pH, water monitoring, water quality
Photo Location: FCIT Photo Studio, Tampa, FL
Photographer: Dr. Roy Winkelman
Date of Photo: 08/06/2013
Device Make: Canon
Device Model: Canon EOS 5D Mark II
Exposure Time: 0.04
F Number: 1.8
Original Dimensions: 2604×5382
Picture Orientation: Portrait
GPS Coordinates: 28°3'40.85"N 82°24'36.26"W
Picture Number: 23163