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About product and suppliers:
        Alibaba.com offers 829 water hardness tester products. About 45% of these are ph meters, 16% are testing equipment, and 10% are hardness testers. 

A wide variety of water hardness tester options are available to you, such as electronic. 

There are 943 water hardness tester suppliers, mainly located in Asia. The top supplying countries or regions are China, India, and Sri Lanka, which supply 96%, 2%, and 1% of water hardness tester respectively. 

Water hardness tester products are most popular in United States, Canada, and India.