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About product and suppliers:
        Alibaba.com offers 3,363 alkalinity and ph products. About 24% of these are water filters, 15% are ph meters, and 1% are moisture meters. 

A wide variety of alkalinity and ph options are available to you, such as free samples, paid samples. 

There are 3,363 alkalinity and ph suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of alkalinity and ph respectively. 

Alkalinity and ph products are most popular in North America, Southeast Asia, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 1,655 with ISO9001, 381 with FSC, and 298 with Other certification.