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| Best Seller  | iSpring Digital Water Test Meter Kit with Temperature Calibration A TDS meter (aka ppm pen, nutrient tester, TDS stick) is a convenient digital tool to instantly check your overall water quality. TDS stands for Total Dissolved Solids, which is any salt, metal or mineral in the water. ... more | $25.99 $19.49 FREE shipping go to store |
 | Small size, lightweight, easy to carry, can be put into a pocket. TDS function gives you a clearer understanding of the concentration of impurities in water. The automatic temperature compensation function. With the backlight function, it can be... ... more | $76.99 $44.99 FREE shipping go to store |
| Best Seller  | TDS Meter Digital Water Tester 0-9990ppm Drinking Water Quality Analyzer Monitor Filter Rapid Test TDS Meter Digital Water Tester 0-9990ppm Drinking Water Quality Analyzer Monitor Filter Rapid Test ... more | $5.01 $3.76 go to store |
 | Digital Water Quality Tester TDS EC PH Meter Multifunctional Water Purity Temperature Meter Digital Water Quality Tester TDS EC PH Meter Multifunctional Water Purity Temperature Meter ... more | $42.54 $17.87 FREE shipping go to store |
Ads related to Liushuuuu Digital TDS & PH Meter Combo For Hydroponics Drinking Water And More Accurate Water Quality Testing For Home Gauge Float Bow Yardstick Boxes 54mm And Leveler String Line with
