
| UV | RO | NIRMAL AQUA | |
|---|---|---|---|
| Capital Cost | High | Very High | Moderate |
| Protection from Bacteria | Good ( Only if proper flow rate and desired maintenance is observed ) | Very good | Very good |
| Removal of Suspended Particle | 5 micron filtration | 0.001 micraon filtration ( Water is crystal clear ) | 0.01 Micron Filtration ( Water is crystal clear ) |
| Energy Requirement | Electricity | Electricity & Very High pressure | Tap water pressure |
| Maintenance | Skilled technician required | Skilled technician required | Candle cleaning in once in month |
| Other | Reduced efficiency over a period due to improper maintenance | 60 % of input water wasted. Essential minerals area also removed from the water | Efficient and no water wastage |