SPN FEB 2010 COMPLETE EDITION:SPN 2010 21/01/2010 06:30 Page 73
www.swimmingpoolnews.co.uk UVSystems FEB 2010 SPN 73
�Traditionally chemicals such as
chlorine have been added to pools
to provide effective disinfectants;
damage which seems to they had taken the decision to this has worked well- however
permanently inactivate the cells� move to a UV system. Over half
DNA repair mechanisms. Low said that their decision had been organisms have started to develop
pressure UV lamps, on the other based on cost and the increasing
hand, produce only a single UV pressure from swimmers about resistance to chlorine�
peak at 254nm which only the unpleasant affects in and
affects DNA. around the pool.
These preliminary results have One responded claimed: �We
serious consequences for pool have noticed greater consumer worldwide phenomenon.
FOR FURTHER INFORMATION
owners using low pressure UV awareness now about the More UV systems are being
i
disinfection systems. If, following atmosphere around the pool and installed in US swimming pools F AQUA SYSTEM
exposure to low pressure UV that combined with the clear than ever before. A new State by ( +45 9722 0033
lamps, microorganisms are evidence that a UV system gives State research programme has :
www.aquasystem.dk
capable of recovering, operators us guaranteed ability to reduce reported that the switch to UV F ATG UV
need to seriously consider chloramines has led us to make cleansing and water control has ( 01942 216161
upgrading to medium pressure the change.� grown dramatically in the past :
www.atguv.com
technology. By providing Another reported: �We have 15 months and is set to bring a F HANOVIA
permanent microbial deactivation, worked hard at the pool to see substantial change in the way ( 01753 515300
medium pressure UV offers peace what is best for price and pool systems are organised. :
www.hanovia.com
of mind, something low pressure effectiveness for our swimmers. In Scandinavia the system is F KK WATER PURIFICATION
UV does not do. We have taken a lot of advice �inbuilt� into pool management ( 01932 852423
The Hanovia SwimPure range and the UV system we installed and in France, the world�s second :
www.kkwater.com
only uses medium pressure UV in August has proved it does largest pool market, UV sales F SIEMENS
technology and all the lamps are make a difference.� have grown dramatically in 2009. ( 01732 771777
optimised to promote the The Sheffield University But back to installer Marl :
www.siemens.co.uk/
specific chemical reactions research reveals a bigger Oldman; �What is important is F TOPLINE
required for chloramine commitment to UV systems that bather comfort. The desire we ( 01323 440760
photolysis, hydroxyl radical most of the industry were aware always find is to reduce smells, :
www.topline.uk.net
production and disinfection. In of. Sixty three local authority kill bacteria and implement cost F TRIOGEN
addition, Hanovia is the only pools confirmed in the research savings. I don�t think anything ( 0141 810 4861
supplier of UV systems to that they had opted for UV else can offer these benefits.� spn :
www.triogen.co.uk
manufacture its own UV lamps. because they were under joint
Topline the company which pressure to reduce costs and
specialises in offering total increase the water quality.
UV BENEFITS IF YOU MANAGE OR OWN A POOL
solutions for water treatment sees It is clear that there is still
UV as one of the fastest growing confusion about the link between � Effective against chlorine resistant microorganisms such as
options it offers to customers. UV and the use of chlorine. Cryptosporidium.
The Topline ultra violet Trade association SPATA�s � Breaks down chloramines and other organics.
treatment systems are full flow technical review committee take � Cannot be overdosed and is fully automatic.
and can be configured to treat the view that it has always been � Improves water quality, reducing the necessity for backwashes.
any size of pool. Using low accepted that neither ozone nor � Reduces the need of �Shock Treatments� to combat combined
pressure UV lamps at a UV can be used without a residual chlorine levels.
wavelength of 254nm, the oxidising disinfectant. The official � Can be adapted to suit the bather load.
system has a proven germicidal advice of the Pure Water � Lower capital and running costs compared to Ozone.
effect. The flow of water through Treatment Advisory Group is that
the system has been calculated with these so called �alternative
to provide optimum contact with treatments� a residual disinfectant
the UV light without any shadow should always be present in the
UV BENEFITS IF YOU SWIM IN A POOL
areas, ensuring all the water is water as well. In the case of SPATA
fully treated. and BISHTA standards, a residual � Safer and more pleasant water environments.
A recent survey of 123 disinfectant is chlorine or � Clearer, bright and sparkling water.
commercial, hotel and local bromine based products or a � Fresh, clean air with reduced chlorine smell.
authorities pools carried out at Polymeric biguanide.� � Eliminates �Red Eye� and skin irritations by reducing chloramines.
Sheffield University over 70% said Yet the fact remains UV is a
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