pH Chlorine Meter, Digital ORP Meter, Salinity Tester for Saltwater Pool, pH PPM EC Monitor for Hydroponics, SPA 7 in 1 pH Test Kit
Description
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Product Description
New Water Quality Test Meter: Professional Pool Free Chlorine and pH Tester 
Multifunctional 7 in 1 pH, FAC(Free Available Chlorine), SALT, ORP, EC, TDS, TEMP Tester
The upgraded test meter can help you understand the free chlorine value of the pool, and providing a healthy swimming environment for your family. It is a family test pen worth having
YK-7C can meet various needs of pool water quality testing! 
The 7 in 1 pH FAC and ORP meter will provide you with accurate pH Salt Chlorine and ORP value, help you know the water quality of pool anytime
Click on the video to learn about the product!
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. hero-video Merchant Video
Ideal pool free chlorine range:1.0-3.0ppm. Ideal pool pH range: 7.2-7.8. Ideal pool Salinity range:2700-3400ppm. Ideal pool ORP range: 650mV-750mV.
A more customer-friendly tester that is less sensitive to color 
Still using test paper to test chlorine and tired of color contrasts?
YINMIK will provide you with a more technological choice. YK-7C has a digital backlight display function, which is more accurate, and long time use and saves costs. It is the nice choice for families and outdoor swimming pools

1 7 in 1 Water Qulity Meter
2 pH FAC Salt for pool
3 pH Salt for Aquarium
4 pH EC for hydroponic
5 pH TDS for Water
Why People Love YK-7C Multifunctional Water Quality Tester?
The instrument can monitor various parameters (pH, Salt, Chlorine, ORP, TDS, EC, Temperature) of the water quality at the same time, which is convenient to make timely adjustments to ensure the healthy environment of water.
1.Nice pH Chlorine Salt Tester Kit for Pool—The pH level of pool water is a measure of its acidity. The ideal pH level for pool is 7.2-7.8 , salt level is 2700-3400ppm, free chlorine level is 1-3ppm. Maintaining a saltwater pool requires regular testing of pH, salinity, and chlorine levels, occasionally cleaning the salt cell. Ideally, you should test pH and chlorine twice a week and salinity at least once a month.
2. Good assistant for aquarium lovers—With YK-7C pH Meter for aquarium ,even if you are a beginner, you can easily take care of your fish. Normal pH Levels for freshwater fish is 5.5-7.5, for salt water fish is 8.0+,the salt level for saltwater fish is 26-35ppt. Detecting water parameters accurately such as nitrates and pH levels are fast and easy with this Aquarium test meter. With just a single pH Meter enables you to test your water accurately and keep your tank clean and maintain a safe environment for your dearest water pets.
3. pH Meter for Water Hydroponic—Suitable pH and EC Values for Your Hydroponic Nutrient Solution. The instrument can monitor various parameters of the hydroponic system at the same time, which is convenient for hydroponic growers to make timely adjustments to ensure the healthy growth of plants. Behind every thriving plant is a gardener who cares for her carefully. Through this 7 in 1 PH tester, you can easily grasp the environmental factors of plant growth.
4. Water Tester for Drinking Water—Testing your water using a TDS meter is the simplest way to measure for total dissolved solids. If you have a reverse osmosis system, you can use the following formula to calculate the percent rejection of TDS and to measure your RO system’s performance. TDS Calculation Formula:%Rejection=Tap TDS-RO TDS/Tap TDS*100 Example:TDS = 260 ppm RO TDS = 20 ppm Rejection = [(260 – 20) / 260] x 100 = [240/260] x 100 ≈ (.923) x 100 = 92.3. Generally, the TDS level between 50-500ppm is considered as the most suitable and acceptable. TDS levels below 50 can be considered high-quality drinking water.
Note: If the content is less than 80ppm, it is called soft water; if the content is between 80ppm-160ppm, it is called hard water; if it is above 300ppm, it is called very hard water.
YINMIK Can Meet Your Various Water Quality Testing Needs!
Add to Cart
Add to Cart
Price
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$29.99$29.99
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$179.79$179.79
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Parameters
FAC pH Salt ORP TDS EC Temp
FAC pH Salt ORP TDS EC Temp
Salt Temperature
FAC pH Salt ORP TDS EC Temp
Oxygen pH Salt TDS EC Temp
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Applications
Pool Aquarium SPA Hot Tub
Pool Aquarium SPA Hot Tub
Pool
Pool
Aquarium Pool
Calibrate pH
Calibrate pH
Package product
6*pH Powders
3*pH Calibration Solutions
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5*pH ORP & EC Solutions
8*Calibration Kits
50mL 4 7 & 10 pH Solution
500mL 4 7 & 10 pH Solution
Polymer Materials Probe
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ATC & Backlight
✔
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Package Dimensions : 10.63 x 8.31 x 1.93 inches; 6.74 ounces
Item model number : YK-7D
Date First Available : March 1, 2025
Manufacturer : JiNan Huiquan Electronic Co., Ltd
ASIN : B0F23W95XP
[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.
[A 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]: YK-2CL 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.
Customers say
Customers find the pH meter easy to calibrate and use, with good value for money and positive feedback about its readability, with one customer noting it’s easier to read in low light. Moreover, the product includes two packets of pH 4, and customers appreciate its quality. However, the functionality and accuracy receive mixed reviews, with several customers reporting that the unit fails after two weeks and calibration issues after multiple attempts. Additionally, the probe quality is mixed, with some customers getting an extra probe while others report broken ones.
AI Generated from the text of customer reviews
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