RKIN Anti-Scale Carbon Pre-Filter Alternative light 90%) Phosphoric Acid - 30%

90%) Phosphoric Acid - 30% Potassium - 20% Boron (B) - 0

and the components are FDA-GRAS and NSF Certified

Sourced and Refined in USA

Tested according to NSF/ANSI 42&53&58 standards Reduces 99

Aqua Master P700 Pro 2 pH Electrode: The Aqua Master Tools replaceable pH electrode offers easy connection thanks to its BNC connector

RKIN Anti-Scale Carbon Pre-Filter Alternative light 90%) Phosphoric Acid - 30%Carbon Pre Filter alternative for Zero Installation Purifier or Flash Undersink Water System: Prevents scale buildup Ensures the Reverse Osmosis membrane's long life span Removes chlorine and other disinfection by products Use this carbon prefilter only when experiencing a short reverse osmosis membrane lifespan (under two years). NOTE: A brand new reverse osmosis membrane is also required when switching to the Anti Scale bundle.