This kit will measure pH levels from 6.0 to 7.6. It is important to keep a proper pH balance for best water quality. Includes: testing solution, instructions, test tube with cap, and computer analyzed laminated color card. To use: Fill clean test tube with five milliliters of water. Add three drops of solution. Cap tube. Do not put finger on open end of tube as this may affect reading. Shake five seconds. Wait five minutes for color to develop. Read color against chart.
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