Hanna (HI7031L) 1413 µS-cm (µmho-cm) 1 x 500 mL bottle Sodium Removal Acts as a retention layer

Acts as a retention layer to prevent finer media from escaping through underdrain systems during operation and backwashing

Chlorine reduction

The pleated design provides significantly more surface area than traditional depth filters

reliable RO water storage without pumps or contamination risk

For accurate ORP/REDOX readings

Hanna (HI7031L) 1413 µS-cm (µmho-cm) 1 x 500 mL bottle Sodium Removal Acts as a retention layerHanna Instruments HI7031L 1413 S cm Conductivity Calibration Solution 500 mL bottle of precision conductivity standard for accurate meter calibration 1413 S cm 500 mL Bottle General Use Lab Grade The Hanna HI7031L is a 1413 microsiemens per centimeter conductivity calibration solution designed for routine meter calibration across laboratory and field applications. This mid range standard provides the most practical reference point for general