Use to measure ph changes in marine aquariums aquariums with african cichlids and very alkaline tap water. reads the ph of water within the high range of 7.4 to 8.8. 250 tests per kit.

Product Details
Fill clean test tube with 5 milliliters of water. add 5 drops of testing solution. cap tube. do not hold finger over the open end of tube as this may affect the reading. shake for 5 seconds. wait 5 minutes for color to develop. read against chart.
Testing solution test tube with cap instructions computer analyzed laminated color card.

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