Super accurate, reliable and easy to use TDS, EC &Temp water tester reader, with backlit and auto-lock function, 3 years warranty and 90 days money back guarantee. This advanced digital ppm meter pen with Advanced Microprocessor Technology, combines TDS Meter(Total Dissolved Solids), EC Meter(Electr...

100ct Total Hardness Water Quality Test Strips, Easy to Distinguish, A Must Have For Home Use with 100% Money Back Guarantee. The Total Hardness Test Strips test for calcium and magnesium(results as calcium carbonate), which are the two minerals that primarily make up hardness in water. Soft water...

15 Packs pH Buffer Powder, Can Be Used To Make 15x250ml pH Meter Calibration Solution, Compatible And User-friendly For The Calibration Of All pH Meter/Tester, Accurate and Easy to use for Long Period. Widely be used for testing pH balance of aquarium, pool, drinking water, RO system, Spa, hydroponi...