💧 Mr. Light Salt Chlorinator – Smart Inverter Pool Sanitisation for Pools up to 70m³
Experience crystal-clear pool water with revolutionary 1g/L low-salt technology and intelligent Wi-Fi control
🌊 Product Overview
Say goodbye to complicated pool chemistry and hello to effortless, eco-friendly pool care. The Mr. Light Salt Chlorinator represents the next generation of pool sanitisation – an intelligent, inverter-driven system that automatically generates chlorine from salt whilst keeping your water perfectly balanced.
What makes Mr. Light truly revolutionary? Its ultra-low 1g/L salt requirement – that’s three times less salt than conventional systems. Less salt means less corrosion to your pool equipment, a softer feel on your skin, and a more sustainable approach to pool ownership.
The heart of the system is InverPure Technology – a smart algorithm that continuously monitors your water quality through ORP, pH, and temperature sensors, then automatically adjusts chlorine production to maintain perfect swimming conditions. Whether it’s a scorching summer day with heavy pool use or a quiet midweek morning, Mr. Light adapts in real-time to deliver exactly what your pool needs.
The intuitive OvalPad touchscreen gives you instant water quality feedback through colour-coded LED indicators – blue means perfect, orange means attention needed, red means action required. It’s pool chemistry made simple, even for first-time pool owners.
And with the InverGo smartphone app, you’re always connected to your pool. Check water quality, adjust settings, or activate Turbo mode from anywhere – whether you’re at work, on holiday, or simply relaxing indoors.
✨ Key Features
✅ Revolutionary 1g/L Low-Salt Technology – Operates at just 1g/L salinity – three times lower than conventional systems. Enjoy softer water, reduced equipment corrosion, and lower running costs
✅ InverPure Smart Automation – Intelligent inverter algorithm continuously monitors and adjusts chlorine production, responding instantly to changing pool conditions
✅ 120% Hyper Disinfection Mode – Automatic power boost when water quality drops. Perfect recovery after pool parties, heavy rain, or returning from holiday
✅ Built-in pH Regulation – Integrated peristaltic dosing pump automatically maintains optimal pH balance – no more manual acid dosing
✅ OvalPad Touch Control – Elegant, intuitive touchscreen with colour-coded LED water quality indicators. See your pool’s health at a glance
✅ Wi-Fi App Control – Full remote monitoring and control through the InverGo smartphone app. Your pool in your pocket
✅ Real-Time Sensor Monitoring – ORP, pH, temperature, and salinity readings displayed live on screen and app
✅ Self-Cleaning Cell Technology – Automatic polarity reversal every 2-6 hours prevents scale build-up and extends electrode life to an impressive 12,000 hours
✅ Intelligent Salinity Detection – Built-in sensor monitors salt levels with ±500 PPM accuracy and alerts you when top-up is needed
✅ IP65 Weatherproof Design – Control unit fully protected for outdoor installation in all weather conditions
✅ Automatic Winter Protection – Smart temperature sensing reduces operation in cold weather and pauses completely below 5°C to protect your investment
✅ Flexible Plumbing Options – Compatible with 63mm, 60.3mm, 50mm, and 48.3mm pipework for easy integration
🔧 Technical Specifications
| Specification | Value |
|---|---|
| Model | Mr. Light (MLS23) |
| Maximum Pool Volume | 70 m³ (at 1000 PPM, water temp ≤28°C) |
| Chlorine Production (100%) | 19.0 g/h (at 1000 PPM) |
| Chlorine Production (120% Hyper Mode) | 23.0 g/h (at 1000 PPM) |
| Chlorine Production (120% at 3000 PPM) | 36.0 g/h |
| Operating Salt Level | 1-2 g/L (1000-2000 PPM) |
| Power Supply | 220-240V AC, 50/60Hz |
| Maximum Power Consumption | 202 W |
| Maximum DC Output Voltage | 12V DC |
| IP Rating | IP65 (Weatherproof) |
| Cell Lifetime | Up to 12,000 hours |
| Self-Cleaning Cycle Options | 2, 4, or 6 hours (default 4h) |
| Control Unit Dimensions (L×W×H) | 305 × 200 × 75 mm |
| Water Connection Options | 63 / 60.3 / 50 / 48.3 mm |
| Advised Water Flow Rate | 5-28 m³/h |
| Operating Water Temperature | 5°C to 40°C |
| Operating Ambient Temperature | -7°C to 42°C |
| Maximum Operating Pressure | 3 Bar |
| Gross Weight | 9.5 kg |
| Package Dimensions (L×W×H) | 550 × 400 × 300 mm |
⚡ Electrical Requirements
| Electrical Specification | Requirement |
|---|---|
| Supply Voltage | 220-240V AC |
| Frequency | 50/60 Hz |
| Phase | Single Phase |
| Maximum Power | 202 W |
| IP Rating | IP65 |
| Relay Output | Normally open (for external pump control) |
| Communications | MODBUS RS485 / Wi-Fi / Dry Contact |
| Auxiliary Outputs | VS Pumps + 2 configurable auxiliary relays |
⚠️ IMPORTANT SAFETY NOTICE:
All electrical installation must be carried out by a qualified
electrician in accordance with UK wiring regulations (BS 7671).
The device must be powered via an isolating transformer or
residual current device (RCD) with nominal operating residual
current not exceeding 30mA.
Never use an extension cable - connect directly to a wall socket.
💧 Water Chemistry Guide
Achieve perfect pool water by maintaining these parameters:
| Parameter | Recommended Level | Why It Matters |
|---|---|---|
| Salt Concentration | 1.0-2.0 g/L | Provides chlorine generation feedstock |
| Free Chlorine | 1.0-3.0 ppm | Sanitises and kills bacteria |
| pH Level | 7.2-7.6 | Optimises chlorine effectiveness |
| Cyanuric Acid (Stabiliser) | 20-30 ppm max | Protects chlorine from UV (outdoor only) |
| Total Alkalinity | 80-120 ppm | Buffers pH fluctuations |
| Water Hardness | 200-300 ppm | Prevents equipment corrosion |
| Metals | 0 ppm | Prevents staining |
💡 Getting Started: Add 1-2 kg of salt per cubic metre of pool water. Run filtration for 24 hours to fully dissolve before activating the chlorinator.
📱 Smart Control & Connectivity
OvalPad Touchscreen – Water Quality at a Glance
The elegant OvalPad display makes monitoring your pool effortless:
| LED Colour | Status | Action Required |
|---|---|---|
| 🔵 Blue | Perfect water quality | Relax and enjoy! |
| 🟠 Orange | Approaching setpoints | Monitor closely |
| 🔴 Red | Needs attention | System working to restore balance |
On-Screen Information:
- Real-time ORP value (oxidation-reduction potential)
- Current pH reading
- Water temperature
- Salt concentration
- Chlorine production percentage
- Timer status
- Error notifications
InverGo Smartphone App – Your Pool in Your Pocket
Download the free InverGo app and unlock complete remote control:
📊 Monitor – View real-time ORP, pH, temperature, and salinity readings
🎛️ Control – Adjust chlorine production and pH setpoints remotely
⚡ Boost – Activate Turbo mode before guests arrive
⏰ Schedule – Set filtration timers from anywhere
📈 Review – Check logs and historical data
👨👩👧👦 Share – Grant access to family members
🔄 Update – Receive automatic firmware improvements via OTA
Available on: Apple App Store & Google Play
🔄 Intelligent Operating Modes
Inverter Mode (Automatic)
The system continuously monitors ORP levels and automatically adjusts chlorine production:
| Production Level | When It’s Used |
|---|---|
| 0-40% | Light pool usage, ideal conditions |
| 0-100% | Standard automatic adjustment |
| 0-120% | Hyper disinfection when ORP drops significantly |
Manual Mode
Take direct control with user-defined chlorine production (0-100% in 5% increments) and pH dosing volume settings.
🚀 Turbo Mode – Rapid Recovery
One-tap activation delivers 24-hour boost at 120% production. Perfect for:
- ✅ Post-party pool recovery
- ✅ After heavy rainfall
- ✅ Returning from holiday
- ✅ Algae treatment support
- ✅ Before guests arrive
❄️ Winter Mode (Automatic)
Smart temperature protection activates automatically:
| Water Temperature | System Response |
|---|---|
| Above 10°C | Normal operation |
| 5-10°C | Production capped at 20% |
| Below 5°C | Electrolysis paused (equipment protection) |
🏠 Pool Cover Mode
When a pool cover is detected, production automatically reduces to 20% – preventing over-chlorination and saving energy.
🛠️ Installation Overview
Positioning Requirements
| Requirement | Specification |
|---|---|
| Location | Dry, well-ventilated area |
| Mounting | Wall-mounted control unit |
| Sunlight | Avoid direct exposure (install shade if needed) |
| Clearance | Adequate space for maintenance access |
Plumbing Integration
| Connection Point | Options Available |
|---|---|
| Pipe Sizes | 63mm, 60.3mm, 50mm, or 48.3mm |
| Cell Position | After filter, before heater |
| Isolation Valves | Required either side of cell |
| Flow Direction | Follow marked arrows on cell |
Included Sensors & Components
- ✅ ORP Probe (BNC connection)
- ✅ pH Probe (BNC connection)
- ✅ Temperature Sensor (integrated)
- ✅ Flow Switch
- ✅ Built-in pH Dosing Pump
🔧 Maintenance Made Simple
Routine Care Schedule
| Task | Frequency | What to Do |
|---|---|---|
| Check salt level | Monthly | Maintain 1000-2000 PPM, top up as needed |
| Clean pH probe | Every 6 months | Wash in mild detergent, rinse thoroughly |
| Clean ORP probe | Every 6 months | Rinse in distilled water |
| Calibrate all probes | Start of each season | Use pH 7.0, pH 10.0, and ORP 468mV buffer solutions |
| Inspect cell | Monthly | Check for scale build-up (self-cleaning reduces this) |
| Check acid tank | Weekly | Replenish hydrochloric acid (≤12.5%) as needed |
Cell Cleaning (When Required)
- Turn off chlorinator and filtration pump
- Close isolation valves either side of cell
- Disconnect power at isolating switch
- Remove cell and place upside down
- Fill with cleaning solution (1 part hydrochloric acid : 9 parts water)
- Leave for 15 minutes to dissolve scale
- Dispose of solution responsibly (not into drains)
- Rinse thoroughly with clean water
- Reinstall, open valves, and restart system
Winterising Options
Active Winterising (filtration continues):
- System automatically manages production based on temperature
- No user intervention required
Passive Winterising (pool drained/covered):
- Remove ORP and pH probes
- Store in probe caps with storage solution
- Keep at 5-30°C
- Never allow probes to dry out
⚠️ Error Codes & Solutions
| Code | Meaning | What to Do |
|---|---|---|
| A1 | Acid Tank Low/Empty | Replenish acid tank, check dosing tubes for leaks |
| A2 | Salt Level Low | Add salt to reach 1000-2000 PPM |
| A3 | No Water Flow | Check pump is running, valves are open |
| E1 | Power Supply Issue | Verify cell connections, check for damage |
| E2 | pH Target Not Reached | Clean and calibrate pH probe, test with separate kit |
| E4 | Control Unit Overheating | Improve ventilation, install shade cover |
| E5 | Low Water Temperature | Winter mode active – normal operation |
| E6 | Air Detected in Cell | Check pump operation, bleed air from system |
| E7 | pH Sensor Failure | Restart unit, contact support if persists |
| E8 | ORP Sensor Failure | Restart unit, contact support if persists |
| E9 | Power Module Failure | Restart unit, contact support if persists |
| Eb | Salinity Module Failure | Restart unit, contact support if persists |
🎯 Ideal Applications
| Application | Suitability | Notes |
|---|---|---|
| 🏊 Residential Outdoor Pools | ✅ Excellent | Designed for pools up to 70m³ |
| 🏊 Indoor Swimming Pools | ✅ Excellent | Use 0 PPM cyanuric acid stabiliser |
| 🏊 Above Ground Pools | ✅ Good | Verify pool volume is within range |
| 🏊 Fibreglass Pools | ✅ Excellent | Low salt gentle on all surfaces |
| 🏊 Vinyl Liner Pools | ✅ Excellent | Reduced chemical handling protects liner |
| 🏊 Concrete/Tiled Pools | ✅ Excellent | Self-cleaning cell prevents scaling |
💡 Hot Climate Note: For water temperatures consistently above 28°C, reduce maximum pool volume by 25-40%.
❓ Frequently Asked Questions
Q: What size pool is this chlorinator suitable for? A: The Mr. Light is designed for pools up to 70 cubic metres under standard conditions (1000 PPM salt, water temperature ≤28°C). In consistently hot climates, we recommend reducing the maximum pool size by 25-40% for optimal performance.
Q: How much salt do I need to add to my pool? A: Add 1-2 kg of high-quality pool salt per cubic metre of water to achieve the recommended 1-2 g/L concentration. For a 50m³ pool, that’s 50-100 kg of salt. Always allow 24 hours with filtration running for complete dissolution before activating the chlorinator.
Q: Why is 1g/L salt better than traditional 3-4g/L systems? A: Lower salt concentration means softer-feeling water that’s gentler on skin and eyes, significantly reduced corrosion to pool equipment and surroundings, lower ongoing salt costs, and a more environmentally sustainable approach – all whilst delivering identical sanitisation performance.
Q: Does the system control pH automatically? A: Yes! The Mr. Light includes a built-in peristaltic pH dosing pump that automatically adds acid when pH rises above your setpoint. You’ll need to supply hydrochloric acid (≤12.5% concentration) and refill the tank as needed.
Q: Can I really control my pool from my phone? A: Absolutely. The free InverGo app (iOS and Android) connects via Wi-Fi and gives you full monitoring and control from anywhere in the world. Check water quality, adjust settings, activate Turbo mode, and receive alerts – all from your smartphone.
Q: How long does the electrolytic cell last? A: With proper maintenance and the automatic self-cleaning function, the cell is designed to deliver up to 12,000 hours of operation. That’s many years of trouble-free service for typical residential use.
Q: What happens to my pool in winter? A: The Mr. Light automatically protects itself and your pool. When water drops below 10°C, production reduces to 20%. Below 5°C, electrolysis pauses completely. The system resumes normal operation automatically when temperatures rise.
Q: What electrical supply do I need? A: Standard UK 220-240V AC, 50/60Hz single phase supply. Maximum power consumption is just 202W – similar to a few light bulbs. Installation must be completed by a qualified electrician with RCD protection (30mA maximum).
Q: Is professional installation required? A: Whilst technically competent pool owners may self-install, we strongly recommend professional installation to ensure correct plumbing integration, proper electrical connection, and optimal sensor positioning.
📥 Downloads & Resources
📄 Product Brochure – Technical overview and features
📄 Installation Manual – Complete installation and operating instructions (33 pages)
📄 Installation Guide Sheet – Quick reference installation guide
📱 InverGo App – Free download on Apple App Store and Google Play
🏆 Why Choose Mr. Light Salt Chlorinator
| Benefit | What It Means For You |
|---|---|
| 🌿 Ultra-Low 1g/L Salt | Softer water, less corrosion, lower running costs |
| 🧠 InverPure Intelligence | Set it and forget it – automatic perfect water balance |
| 📱 Wi-Fi Connected | Monitor and control your pool from anywhere |
| ⚡ 120% Hyper Mode | Rapid recovery after parties, rain, or holidays |
| 🔄 Self-Cleaning Cell | 12,000 hour lifespan with minimal maintenance |
| 🌡️ Smart Winter Protection | Automatic equipment protection in cold weather |
| 💧 Built-in pH Control | Complete water management in one system |
| 🛡️ IP65 Weatherproof | Designed for outdoor UK conditions |
| 🇬🇧 UK Distribution | Certikin support and local availability |
🤝 Why Buy from Parts4Tubs
✅ UK-Based Expertise – Local support from pool and spa specialists who understand your needs
✅ Fast UK Delivery – Quick dispatch to get your equipment installed sooner
✅ Technical Advice – Our knowledgeable team can answer your installation and compatibility questions
✅ Competitive Pricing – Great value on professional-grade pool equipment
✅ Full Product Support – We stand behind every product we sell
✅ Comprehensive Range – Your one-stop shop for all pool and spa equipment needs
✨ Summary
Transform your pool maintenance experience with the Mr. Light Salt Chlorinator. This intelligent system delivers automated chlorine generation and pH control for pools up to 70 cubic metres, using revolutionary 1g/L low-salt technology that’s gentler on your pool, your skin, and the environment.
With InverPure smart automation, the system continuously monitors ORP, pH, and temperature to maintain perfect water balance automatically. The 120% Hyper Disinfection mode ensures rapid recovery after heavy use, whilst Wi-Fi connectivity via the InverGo app puts complete control in your pocket.
Built to last with a 12,000-hour self-cleaning cell, IP65 weatherproof construction, and automatic winter protection, the Mr. Light represents the future of effortless pool ownership.
Order today and discover what crystal-clear, perfectly balanced pool water feels like.




