... 1/10000 micron, the removal rate of harmful compounds is over 99%, besides, our plant water machine can direct docking tap water ... and absorbed by sodion in the resin, to remove calcium, magnesium, carbonate or non-carbonate hardness, which is softening water. When ... resin absorbs a certain amount of calcium, magnesium, it is necessary for regeneration, which is salt-box resin ...