Closed Systems Water Treatment Training Course
1-Day Classroom Course – £250
Venue: Hydro-X Training HQ
1/2 Day Live Virtual Classroom – £225
Price includes City & Guilds Certification

Closed Water Systems Chemistry & Dosing Pots Application
1-Day Classroom Course – £250
Venue: Hydro-X Training HQ
1/2 Day Live Virtual Classroom – £225
Price includes City & Guilds Certification


Closed Systems Water Treatment Training Course Overview.
This is a City & Guilds Accredited course that has been designed for delegates to reinforce or develop their knowledge of Closed Water Systems, and the use of Dosing Pots. It covers a range of topics, including the different types of closed water systems and their differing treatment requirements, as well as the problems that arise from scale formation, corrosion of metals, microbial growth, and fouling.
Furthermore, this training course goes into the importance of pre-commission cleaning, and typical water treatment regimes, before looking at the dosing pot section of the course. This part covers the correct installation and the safe use of a dosing pot.

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Who should attend this training course?
The aim of this course is to provide an understanding of the water treatment processes for those who manage Closed Loop Systems.
This includes knowledge of system design, pre-commissioning, relevant guidance, as well as the management of corrosion, scale, and bacteria.
The course is designed to develop or reinforce knowledge of:
- Overview of Closed Loop Systems
- Importance of Water Treatment for Closed Loops
- Considerations for Closed Loop Systems
- Closed Loop Water Treatment –
- Corrosion Inhibitors
- Scale Inhibitors
- Biocides
- What Happens when Microbiological Growth Goes Unchecked
- Chemical Dosing
- Pre-Treatment & Filtration

Open Courses
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Nationwide venues
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Specialist facilities of real-life replicas
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Face to face courses with our expert trainers
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Spacious, comfy training rooms
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Opportunity to network
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City and Guilds Accredited Certification
On-Site Training
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For 5 learners or more
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Dedicated trainer for the duration of the course
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Better suited to those who prefer face-to-face training
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City and Guilds Accredited Certification included
LIVE Virtual Classroom
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Exact same course as the face-to-face training
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No software or IT skills required
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No travel needed
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Excellent value for money
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Experienced trainer delivers the course LIVE ready to answer all of your questions
Find out more >
How is this course delivered?
This City & Guilds Accredited Closed Systems Water Treatment course can be either delivered as a 1-day classroom course at one of our training venues, as a half-day live virtual classroom or alternatively this can be delivered as an on-site course with one of our expert water trainers delivering the training course on your premises.
What Certificate will I get from completing this course?
Successful delegates will receive a City & Guild Accredited Programme Certificate in Closed Systems Water Treatment. This will be sent electronically to the email in the registration and candidates should receive it within 7 working days from the date of course completion.
- The learner will gain knowledge of different types of closed systems
- To be to identify the difference between closed and partially closed water system
- The learner will understand corrosion, scale formation, biofouling and deposit in closed-water systems
- Be able to identify the condition that encourages closed system problems
- Delegates will get an understanding of the importance of pre-commissioning cleaning
- To be able to identify how pre-commission cleaning prolongs system life
- The learner will gain a working knowledge of what is in a written/control scheme and how to implement it for cooling systems
- The delegates will gain an understanding of the measurement initials connected with cooling systems
- The learners will get the knowledge of cleaning and disinfection processes for cooling systems
The aim of this course is to provide an understanding of the water treatment processes for those who manage Closed Loop Systems.
This includes knowledge of system design, pre-commissioning, relevant guidance, as well as the management of corrosion, scale, and bacteria.
The course is designed to develop or reinforce knowledge of:
- Overview of Closed Loop Systems
- Importance of Water Treatment for Closed Loops
- Considerations for Closed Loop Systems
- Closed Loop Water Treatment –
- Corrosion Inhibitors
- Scale Inhibitors
- Biocides
- What Happens when Microbiological Growth Goes Unchecked
- Chemical Dosing
- Pre-Treatment & Filtration
At the end of the Closed Loop and Dosing Pots training, each delegate undertakes a multiple-choice assessment and must get 75% to achieve a passing grade
On completing the Closed Systems Water Treatment Training Course you will receive a City and Guilds Accredited Programme Certificate.
This will need to be renewed every 2 years.