Water Softener · Hard Water Treatment
Water Softener Systems — Protect Your Pipes, Appliances & Skin
Hard water causes scaling in pipes, geyser failure, membrane fouling in RO plants, and rough skin and hair. Unicare's ion exchange water softeners remove calcium and magnesium at source — engineered for apartments, hotels, hospitals, and industrial process applications across India.
- Ion Exchange Technology
- Removes Ca²⁺ & Mg²⁺
- Auto Regeneration
- Residential & Industrial
- RO Membrane Protection
The problem
Hard water is costing you more than you think
The hard water problem
Hard water causes:
- Scaling inside pipes — restricts flow, increases pressure drop
- Geyser and boiler failure — scale insulates heating elements, burns them out
- RO membrane fouling — calcium carbonate scale blocks membranes prematurely
- Washing machine damage — scale deposits in drum and heating element
- Less soap lather — calcium reacts with soap, wastes detergent
- Dry, itchy skin and rough, dull hair after bathing
- White spots on dishes, tiles, and bathroom fittings
- Cooling tower scaling in HVAC and industrial systems
- Reduced lifespan of plumbing fittings and valves
What a water softener solves
After softening:
- Pipes stay clear — no scale, full flow maintained
- Geysers and boilers run efficiently — up to 30% energy saved
- RO membranes last longer — lower replacement frequency and OPEX
- 50% less soap and detergent needed
- Noticeably softer skin and silkier hair
- Spotless dishes, tiles, and sanitary ware
- Cooling towers and HVAC coils stay clean
- Extended lifespan across all water-using appliances
India's groundwater TDS and hardness levels vary significantly by region. Our engineers test your source water before recommending a softener model and resin specification.
Process
How ion exchange water softening works
- 01
Step 01
Hard water enters the resin tank
Incoming water — from bore well, municipal supply, or industrial source — passes into a pressure vessel packed with cation exchange resin beads. The resin is pre-charged with sodium (Na⁺) ions.
- 02
Step 02
Ion exchange — calcium and magnesium removed
As hard water flows through the resin bed, calcium (Ca²⁺) and magnesium (Mg²⁺) ions in the water are attracted to the resin and exchanged for sodium ions. The water leaving the tank is now soft — hardness ions have been removed and replaced with harmless sodium.
- 03
Step 03
Service cycle — soft water to point of use
Softened water is distributed to all downstream uses: plumbing, appliances, boilers, cooling towers, RO plant feed, or process equipment. The softener operates continuously during the service cycle with no interruption to supply.
- 04
Step 04
Regeneration cycle — resin restored automatically
When the resin becomes saturated with calcium and magnesium ions, the control valve initiates a regeneration cycle. A brine solution (sodium chloride salt dissolved in water) backwashes through the resin, flushing out the accumulated hardness minerals and recharging the resin with fresh sodium ions. The spent brine is directed to drain. Timer-based or demand-initiated regeneration (DIR) — based on actual water usage rather than fixed intervals — minimises salt and water consumption during regeneration.
Ion exchange line-up: service cycle, regeneration cycle, and controlled brine dosing.
Models
Water softener models — residential to industrial
Residential Water Softener
- Flow rate: 0.5–2 m³/hour
- Resin volume: 25–75 litres
- Best for: Apartments, villas, individual homes, small offices
- Inlet hardness: Up to 600 mg/L as CaCO₃
- Regeneration: Automatic timer-based or manual
- Control valve: Automatic multi-port valve
- Housing: FRP pressure vessel, food-grade resin
- Salt tank: Included, brine tank with float valve
- Key benefit: Protects geysers, washing machines, skin and hair
Commercial Water Softener
- Flow rate: 2–10 m³/hour
- Resin volume: 100–500 litres
- Best for: Hotels, hospitals, housing societies, office complexes, laundries, restaurants, swimming pools
- Inlet hardness: Up to 1000 mg/L as CaCO₃
- Regeneration: Automatic demand-initiated (DIR) — saves salt
- Control valve: Motorised automatic valve with digital controller
- Housing: FRP or MS rubber-lined pressure vessel
- Features: Duplex (twin-tank) option for uninterrupted supply, flow meter, hardness monitoring port
- Key benefit: Protects boilers, RO membranes, cooling towers, laundry equipment and kitchen appliances
Industrial Water Softener
- Flow rate: 10–100+ m³/hour
- Resin volume: 500–5000+ litres
- Best for: Manufacturing plants, pharmaceutical facilities, food & beverage processing, power plants, large hotels and hospitals, municipal water supply
- Inlet hardness: Up to 1500+ mg/L as CaCO₃
- Regeneration: Fully automatic demand-initiated, co-current or counter-current regeneration for maximum efficiency
- Control valve: PLC-controlled automatic valve with SCADA integration
- Housing: MS rubber-lined / FRP / SS pressure vessels
- Features: Duplex or triplex configuration for 24/7 uninterrupted supply, online hardness analyser, flow totaliser, AMC program
- Key benefit: Protects industrial boilers, process equipment, RO plant feed, cooling towers and heat exchangers from scale fouling
Specifications
Technical specifications — indicative
| Parameter | Residential | Commercial | Industrial |
|---|---|---|---|
| Flow rate | 0.5–2 m³/hr | 2–10 m³/hr | 10–100+ m³/hr |
| Resin volume | 25–75 L | 100–500 L | 500–5000+ L |
| Inlet hardness (max) | 600 mg/L as CaCO₃ | 1000 mg/L as CaCO₃ | 1500+ mg/L as CaCO₃ |
| Outlet hardness | <50 mg/L as CaCO₃ | <10 mg/L as CaCO₃ | <5 mg/L as CaCO₃ |
| Resin type | Strong acid cation | Strong acid cation | Strong acid cation |
| Vessel material | FRP | FRP / MS rubber-lined | MS rubber-lined / SS |
| Control valve | Manual / auto timer | Auto digital (DIR) | PLC / SCADA |
| Regeneration mode | Timer / manual | Demand-initiated (DIR) | Counter-current / DIR |
| Salt brine tank | Included | Included | Separate brine system |
| Configuration | Simplex | Simplex / Duplex | Duplex / Triplex |
| Operating pressure | 2–6 bar | 2–6 bar | 2–8 bar |
| Operating temperature | 10–45°C | 10–45°C | 10–50°C |
| Power | 230V AC | 230V AC | 415V / 230V AC |
| AMC available | Yes | Yes | Yes |
Specifications are indicative. Final sizing is based on source water hardness, TDS, iron content, flow rate requirements, and operating hours. Share your source water analysis report for accurate model selection.
Features
Engineered for Indian water conditions
High-capacity cation exchange resin
Premium strong acid cation resin with high ion exchange capacity and long service life — selected for India's typically high hardness and TDS groundwater conditions.
Automatic demand-initiated regeneration (DIR)
Commercial and industrial units regenerate based on actual water volume processed — not on a fixed timer. This minimises salt consumption, water wastage, and regeneration frequency.
Duplex / twin-tank configuration
Hotels, hospitals, and industrial plants cannot tolerate interrupted supply. Duplex softeners keep one vessel in service while the other regenerates — true 24/7 soft water without any downtime.
Fully automatic multi-port control valve
Motorised or manually operated multi-port valves handle service, backwash, brine draw, slow and fast rinse, and refill cycles automatically through a single controller interface.
RO membrane protection
The most common cause of RO membrane fouling in India is calcium carbonate scaling from hard feed water. A softener upstream of any RO plant significantly extends membrane life and reduces OPEX. A water softener upstream of your RO plant protects membranes from calcium carbonate scaling.
Protects boilers and geysers
Scale inside boiler tubes and geyser elements insulates the heating surface, forcing more energy consumption and accelerating burnout. Soft water eliminates scale and can reduce boiler energy consumption by up to 30%.
Reduces soap and detergent consumption
Hard water reacts with soap to form calcium scum — wasting detergent and leaving residue on laundry, dishes, and skin. Soft water allows soap to lather fully with up to 50% less detergent required.
Compatible with bore well and municipal supply
Unicare softeners are designed and sized for Indian source water — whether bore well water with very high hardness (600–1500+ mg/L), or municipal supply with moderate hardness (200–400 mg/L).
AMC and resin replacement support
Annual maintenance contracts cover resin inspection, brine tank cleaning, control valve servicing, inlet/outlet hardness verification, and salt replenishment guidance — with India-wide service coverage.
Applications
Where Unicare water softeners are specified
Residential apartments & villas
Hard water damages geysers, washing machines, and overhead tanks. Society-level or flat-level softeners protect all appliances and deliver noticeably softer water for bathing and washing.
Hotels & resorts
Laundry, kitchen, swimming pools, cooling towers, and boilers all demand consistently soft water. Duplex commercial softeners ensure uninterrupted supply across peak occupancy periods.
Hospitals & healthcare
Autoclaves, sterilisation equipment, dialysis water pre-treatment, and HVAC cooling systems require low-hardness water. Our softeners are sized and documented for facility compliance audits.
Food & beverage processing
Brewing, dairy, beverage, and packaged food plants need process water that meets strict hardness specifications. Industrial softeners with online monitoring and documentation suit FSSAI compliance requirements.
Industrial boilers & cooling towers
Scale in boiler tubes and cooling tower fill packing reduces efficiency and causes costly shutdowns. Industrial duplex softeners with PLC control maintain consistent hardness removal at high flow rates.
RO plant pre-treatment
Unicare recommends a softener upstream of any RO system fed by hard bore well water. Reducing feed hardness below 100 mg/L protects membranes from calcium carbonate scaling and significantly extends membrane replacement intervals.
Hardness guide
Is your water hard? — reference guide
| Hardness level | mg/L as CaCO₃ | Typical symptoms | Recommended action |
|---|---|---|---|
| Soft | 0–75 | No scaling, good lather | No softener needed |
| Moderately hard | 75–150 | Slight scaling on taps and geyser | Monitor — softener optional |
| Hard | 150–300 | Visible scaling, reduced soap lather, dry skin | Residential softener |
| Very hard | 300–600 | Heavy scaling, geyser failure, RO fouling | Commercial softener |
| Extremely hard | 600+ | Severe pipe blockage, rapid membrane damage | Industrial softener |
India's groundwater hardness varies widely by region. Maharashtra, Gujarat, Rajasthan, Tamil Nadu, and Andhra Pradesh commonly see hardness above 300 mg/L. Share a water sample or your last water analysis report — we'll confirm hardness level and recommend the right model.
Get your water tested →Benefits
What soft water delivers
Up to 30%
Energy saved on geyser & boiler operation
50%
Reduction in soap and detergent consumption
2–3×
Longer RO membrane life with softened feed water
Zero
Pipe scaling after softener installation
FAQs
Water softener — common questions
1What is a water softener and how does it work?
2How do I know if I have hard water?
3Does a water softener affect drinking water?
4What size water softener do I need?
5How often does a water softener need regeneration?
6What salt is used and how often does it need refilling?
7Can a water softener protect my RO plant membranes?
8Do you provide installation and AMC for water softeners?
9What is the difference between simplex and duplex water softeners?
10What is the typical life of a water softener resin?
Get the right water softener for your site
Share your source water hardness report, daily flow rate requirement, and application — residential, hotel, hospital, or industrial. Our engineers will recommend the correct model, resin specification, and regeneration strategy for your water conditions.
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