Does Your Pool Need Automated Dosing?

A modern swimming pool should deliver clear water, comfortable swimming conditions and minimal day-to-day intervention. Achieving this consistently relies on one essential element working quietly in the background: the automated dosing system.

From water quality and swimmer comfort to equipment protection and long-term running costs, dosing systems play a far greater role than many pool owners realise. Below, we explain what they do, why they matter, and how intelligent control systems have become a cornerstone of modern pool ownership.

Why Automated Dosing Matters

Water chemistry in a swimming pool is constantly changing due to temperature, weather, evaporation and bather load. Automated dosing systems continuously monitor these changes and respond instantly, maintaining stable and safe water conditions.

Compared with manual testing and adjustment, automated dosing:

• Provides consistent water quality
• Reduces chemical waste
• Minimises human error
• Improves swimmer comfort
• Protects pool finishes and equipment

For today’s pools - particularly high-end residential and indoor installations - automation is no longer optional. It is the most reliable way to maintain correct water balance around the clock.

Is Your Dosing System Outdated?

Many existing pools still rely on older dosing equipment that struggles to meet modern expectations.

Signs your system may be outdated include:

• Frequent need for manual correction
• Fluctuating pH or chlorine levels
• Increasing chemical consumption
• Repeated breakdowns or leaks
• Limited or no digital monitoring

Modern dosing systems are more accurate, efficient and intelligent, often integrating with wider pool control systems. Upgrading can significantly improve performance, reduce running costs and provide greater peace of mind.

Types of Dosing Pumps

There are several types of dosing pumps used in swimming pools, each suited to different requirements.

Common options include:

• Peristaltic pumps – simple, reliable and ideal for residential pools
• Solenoid pumps – accurate and suitable for moderate demand
• Motor-driven pumps – designed for higher volumes and precision
• Integrated dosing and control systems – combine monitoring, dosing, alarms and remote access

Selecting the right pump depends on pool size, usage, whether the pool is indoor or outdoor, and the level of automation required. Professional design ensures the system is correctly specified for long-term reliability.

Dosing & Indoor Air Quality

In indoor pools, water chemistry directly affects the air environment.

Poorly balanced water can lead to:

• Chloramine build-up
• Strong chemical odours
• Eye and respiratory irritation
• Increased corrosion within the building

Accurate automated dosing helps minimise chloramines and supports healthier indoor air quality. When combined with properly designed ventilation and dehumidification systems, it creates a far more comfortable and sustainable indoor pool environment.

Protecting Your Plant Room

The plant room contains some of the most expensive and critical components of a swimming pool system.

Intelligent dosing and control systems help protect this equipment by:

• Preventing corrosion caused by incorrect pH
• Reducing scale build-up
• Optimising heater and pump operation
• Providing alarms if parameters move outside safe limits

By maintaining stable water chemistry, automated systems play a key role in extending the lifespan of pumps, filters, heaters and pipework.

Dosing Pump Servicing Explained

Regular servicing is essential to keep dosing systems operating safely and accurately.

A typical dosing pump service includes:

• Inspection and cleaning of components
• Replacement of worn tubing or seals
• Calibration of probes and sensors
• Verification of dosing accuracy
• Safety and alarm checks
• Review of system performance

Routine servicing helps prevent unexpected failures, ensures compliance and maintains consistent water quality throughout the year.

Solving Water Balance Problems

Common pool water issues include:

• Unstable pH
• Over- or under-chlorination
• Cloudy or dull water
• Scale formation
• Corrosion of metal components

Automated control systems address these problems proactively. Instead of reacting after issues appear, the system continuously corrects imbalances in real time - keeping the water clear, safe and comfortable.

What Your Dosing Pump Does

For new pool owners, the dosing pump may seem like a minor technical detail, but it plays a central role in pool operation.

Your dosing system:

• Keeps water safe for swimmers
• Maintains consistent comfort
• Protects your pool and equipment
• Reduces manual testing and guesswork
• Helps control long-term running costs

Understanding its role - and keeping it properly maintained - is key to stress-free pool ownership.

Expert Pool Control from London Swimming Pool Company

We design, install and maintain advanced dosing and control systems tailored to each pool. From new builds to system upgrades and ongoing servicing, our focus is on long-term performance, reliability and peace of mind.

If you would like advice on your current system or are planning a new pool, our team will be happy to help - contact us on 020 8605 1255 or email