The TDS coming out of RO ...
Published by ABHAYANKER BANERJEE
The TDS coming out of RO depends on what type of membrane is being used.The constituents will depend on quality of feed but potable water will be loosing its taste if TDS is more than 170.Howsoever minimum level must be 50ppm.Ca level near 70 ppm & Mg level near 30 ppm are considered good for human consumption.