HomeIndustrial and ScientificLab and Scientific ProductsLab Instruments and EquipmentMeters Top 1 Best Meters #1 2Pcs TDS-Meter, Digital Pool Salt Tester 1-9990PPM, TDS, EC 9.9 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 Meters Aquarium Hyd... Patio, Lawn ... Pools, Hot T... Cleaning Too... Chemicals an... Editor’s Pick: Trending Products you will love - 15% Chemicals and Water Testing Products Well Water Test Kit for Drinking Water – Quick and Easy Home Water Testing Kit for Bacteria Nitrate Nitrite pH Manganese & More | Made in The USA in Line with EPA Limits [NO MAILING Required] $39.99 $33.99 View Detail Chemicals and Water Testing Products 16 in 1 Drinking Water Test Kit |High Sensitivity Test Strips detect pH, Hardness, Chlorine, Lead, Iron, Copper, Nitrate, Nitrite | Home Water Purity Test Strips for Aquarium, Pool, Well & Tap Water $24.99 View Detail Chemicals and Water Testing Products Umlecoa 16 in 1 Premium Drinking Water Test Kit – 125 Home Water Quality Test Strips for Well and Tap Test Kit – Testing for pH, Hardness, Chlorine, Lead, Iron, Copper, Nitrate, Nitrite, etc $15.99 View Detail - 12% Chemicals and Water Testing Products 17 in 1 Premium Drinking Water Test Kit – 100 Strips + 2 Bacteria Tests – Home Water Quality Test – Well and Tap Water – Easy Testing for Lead, Bacteria, Hardness, Fluoride, pH, Iron, Copper and more! $32.99 $28.99 View Detail