Added to existing five stage
"Added to existing five stage RO system to add back essential minerals to drinking water. Filter cartridge is installed after the RO element before the water enters the storage tank. This allows for a relatively slow flow through the cartridge to enable proper dissolving of minerals into the water. Water tastes great and shows improved parameters. Raises TDS from 5-6 PPM to 22 PPM. Brings both pH and Alkalinity back to within neutral range."



