Pool Chlorine pH Tester YINMIK Free Chlorine Salt pH Tester 7 in 1 Digital Salt Meter for SPA Saltwater Pool Salinity Tester Electronic ORP TDS EC Temp Tester for Pool, Hot tub, Hydroponic, Aquarium

YINMIK free chlorine tester can detect the free chlorine data of the swimming pool, prevent excessive or low residual chlorine from affecting the health of pool, and provide your family (especially children and pregnant women) with a clean swimming environment.

YINMIK test pen has a digital display function, compared with test strips, it is friendly to customers who are not sensitive to color.

The ideal pool free chlorine range is 1-3ppm (mg/l).

[Salt Meter for Saltwater Pool] The ideal salinity range is 2700-3400ppm, and the proper salt range will promote the action of the chlorine reactor.

Salinity also affects how well chlorine works, which can have a major impact on pool health.

Excessive salinity will increase the consumption of swimming energy.

It will also irritate swimmers' skin and eyes.

YINMIK test pen can help you maintain the cleanliness of the pool and provide you with a comfortable swimming experience.

[Test pH Level of Pool] You must need a pH test pen to monitor the pH of the swimming pool, because a suitable pH is very important for the swimming pool.

Too low pH will reduce the service life of the swimming pool, and also affect the skin health of swimmers, too high pH will reduce the chlorine effect.

YINMIK PH Tester will meet your need to test the pH of water quality, the ideal swimming pool pH should be between 7.2-7.8.