Hanna Instruments HI70442L 1500 mg-L (ppm) TDS Calibration Solution, 500mL Bottle Mixed Bed DI1425 Model 41407004 GAC Carbon Quick-Change

Model 41407004 GAC Carbon Quick-Change Design Chlorine Reduction

The automatic temperature compensation circuit adjusts readings accurately across varying water temperatures

Pour Alamo A9030A carbon slowly into tank

backwashing carbon filters

Commonly used as pre-filtration in residential and commercial reverse osmosis systems

Hanna Instruments HI70442L 1500 mg-L (ppm) TDS Calibration Solution, 500mL Bottle Mixed Bed DI1425 Model 41407004 GAC Carbon Quick-ChangeThe Hanna Instruments HI70442L delivers laboratory grade 1500 mg L TDS calibration solution in a professional 500mL bottle designed to maintain solution integrity. This potassium chloride based standard is NIST traceable and specifically formulated to ensure your TDS meters deliver accurate readings in the mid range measurement zone. SPECIFICATIONS Technical Details Manufacturer Hanna Instruments Model Number HI70442L TDS Value 1500 mg L (ppm) at 25C