Triton DI - is a deionizing resin to create a very pure deionized water. Replacement resin for the DI cartridge of your osmosis machine.
It is recommended to replace the DI resin when the TDS value of the osmosis water is higher than 1PPM. To check the quality of the osmosis membrane: measure the TDS value of the output of clean water from the membrane flowing to the DI resin.