HomeIndustrial and ScientificLab and Scientific ProductsLab Instruments and Equipment Top 1 Best Lab Instruments and Equipment #1 2Pcs TDS-Meter, Digital Pool Salt Tester 1-9990PPM, TDS, EC 9.8 SCORE View Detail Buy it on Amazon ✔【APPLICATION】- TDS Tester can test drinking water, aquariums, hydroponics, swimming pools, spas and other water systems wine and beer and so forth.it's convenient to check the standard of water anytime, anywhere✔【FEATURE】- Dual Range,measures from 1-9990PPM,with resolution of 1 ppm;The upper ppm value is,the more substances within the water. Factory calibrated,widely apply to check water qulity,for RO system, aquariums, hydroponics, pools, spas,and so forth✔【DIMENSIONS】- Model: TDS-M2;Length:138mm/5.43";Width:23mm/0.91";Height:13mm/0.51" More Detail+ Recommended Categories related to Lab Instruments and Equipment Meters Aquarium Hyd... Patio, Lawn ... Pools, Hot T... Cleaning Too...