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Fully Funded M2A MSc by Research Scholarship: Sanitising Efficacy of a New Hot Tub Water Enzyme Treatment Product- Eco3spa

Swansea University - Engineering

Location: Swansea
Salary: £12,500 p.a.
Hours: Full Time
Contract Type: Fixed-Term/Contract
Placed On: 18th April 2019
Closes: 27th May 2019

Start date: October 2019 

Supervisors: Dr G van Keulen, Dr C Tizaoui and Dr C Phillips 

Sponsoring company: SureSpa Ltd. 

SureSpa Limited, located near Alton in Hampshire, has been involved in the hot tub industry for over fourteen years. The company has recently launched a new hot tub water treatment ‘kit’ which uses a combination of enzymes, coconut extract and active Oxygen tablets to treat domestic hot tub water. The product removes microbial films from hot tub surfaces and piping and generally sanitises the hot tub environment. The product is more environmentally friendly and significantly less irritant to the skin and eyes than chlorine and bromine based products, which are traditionally used as disinfectants in swimming pools. There is a strong consumer demand from people wanting more ‘eco-friendly’ products to treat their hot tub water, whilst maintaining water quality. 

The new product is known as eco3spa. The product is designed to be a complete 3-month hot tub water treatment ‘kit’ for a typical hot tub water volume of 1,500-2,000 Litres, and comprises three components:

  • A hot tub cleaner to remove the bio-film layer in the pipework, jets, etc.;
  • A hot tub conditioner to remove organic wastes and soften the water and;
  • An Active Oxygen sanitiser. 

Active Oxygen is recognised as a hot tub microbial disinfectant in its own right and is thought to work more efficiently at a higher temperature of a hot tub when compared to the lower temperature of a swimming pool. There is however, very little quantitative data to back this up. 


We welcome applications from candidates with an Engineering or Physical Science degree (minimum level 2:1), or a combination of degree and equivalent relevant experience to the same level, to join the M2A community of research engineers. 

Please visit our website for more information.

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