7 in 1 Chlorine Meter Digital Chlorine pH Tester Salt pH Meter for Saltwater Pool pH Conductivity for Hydroponic Drink Water TDS Meter YINMIK pH Chlorine Salinity EC TDS ORP Temp Reader for Aquarium — Open-Box, 5% Off

[Pool Professional Free Chlorine Tester] 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.

[Good Assistant for Aquarium Enthusiasts]: Whether you are a saltwater fish or freshwater fish breeder, you need this accurate pH, TDS, salinity, and temperature test pen. This tester helps you maintain a consistent temperature in the fish tank, provides a comfortable pH and salinity environment for your aquarium, and detects whether the water quality you add meets the standards (generally it needs to be below 50ppm, and precious fish needs to be below 10ppm).

[Newly Upgraded Electrodes, More Accurate Data]: YINMIK chlorine meter uses an upgraded platinum wire electrode. The protective cover contains a sponge with electrode protection liquid, which can effectively solve the problem of electrode oxidation. Compared with ordinary electrodes, the free chlorine value is more accurate and has a longer service life. In the long run, save money. Pocket size design, automatic temperature compensation and backlight display function allow you to measure anytime and anywhere.

[Widely Application] The YINMIK test meter also has the function of EC TDS ORP Temp., which not only monitors the swimming pool water quality; but it can also be used to measure aquarium, hydroponics, drinking water, brewing, well water, pond water. Is the environment of your sea fish within the appropriate salinity and PH range; Is the EC of hydroponic plants appropriate; Is your drinking water TDS below 50ppm? YINMIK multifunctional 7-in-1 test pen will tell you the answer.

7 in 1 Chlorine Meter Digital Chlorine pH Tester Salt pH Meter for Saltwater Pool pH Conductivity for Hydroponic Drink Water TDS Meter YINMIK pH Chlorine Salinity EC TDS ORP Temp Reader for Aquarium