Hanna Instruments HI70442L 1500 mg-L (ppm) TDS Calibration Solution, 500mL Bottle Mixed Bed DI1425 Pour Alamo A9030A carbon slowly

Pour Alamo A9030A carbon slowly into tank

Model 41407004 GAC Carbon Quick-Change Design Chlorine Reduction

Commonly deployed as first-stage sediment pre-filtration in reverse osmosis systems or as primary filtration in whole-house configurations where municipal or well water carries sand

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

Hanna Instruments HI70442L 1500 mg-L (ppm) TDS Calibration Solution, 500mL Bottle Mixed Bed DI1425 Pour Alamo A9030A carbon slowlyThe 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