32-34 WATER TESTING:SPN Master pages 14/7/09 18:28 Page 3
spnfeature
he majority of people that own or
T
“ACHIEVING CLEAR WATER IS CRITICAL
use domestic or commercial
swimming pools know it makes
BUT MAINTAINING A TESTING REGIME
sense to reduce or eliminate the
use of chemicals to sanitise the pool.
WHICH ENSURES IT STAYS THAT WAY
In a modern world looking at green
issues, whatever can be done to reduce
IS TURNING OUT TO BE BIG BUSINESS”
levels of chlorine can only be good news
for the bather and the environment.
Ionisation is not new; it has been around Europe endorse Aligator’s claim that it’s form. This reduces the chances of
for many years in numerous systems. easy to install, easy to use and delivers contamination and the addition of the
One such product is really beginning to exactly what it says it does, giving crystal wrong amount of reagent.
make headway in the marketplace and clear water with reduced chemical levels. The test for free chlorine is also more
establish itself as a credible contestant for The demand is being positive and reliable. While the DPD
market leader in ionisation. driven by the end method has proven its reliability, as a
Aligator Systems in Colchester, Essex is users who want reagent it is inherently unstable.
owned by Steve Conway of Merlin Pools. to swim in Different ways of packaging the reagent
For the past two years David Dunn, water have been developed to try to overcome
Product Manager, has been designing new this instability.
brochures to market and target new The advantage of tablet reagents
dealers to use the system which has has been long acknowledged
been technically upgraded to a fully in the UK. Shelf life is
automated system. up to 10 years,
The ionisation system enables the pool and the
owner to reduce chlorine by up to 80%,
sanitising the swimming pool with copper
thus, stopping growth in algae and silver
to eliminate bacteria. These two natural
elements that keep a pool free from algae
and bacteria make it perfect for children
and allergy sufferers.
ABOVE: Certikin‘s Scuba pool tester –
The automated system reduces pool
an immersible test device which is accurate
and requires no test vials or tubes
down time, maintenance and gives
measurable cost saving on chemicals.
BELOW: Lovibond’s new packaging uses a
foil
The intelligent system will also tell you
blister type of foil
packaging
when the electrodes need attention or ensures that the
changing and you have the facility to reagent stays fresh until
programme the pool size in gallons or that will not give irritation, sore eyes opened by the user. A tablet
litres. Unlike other systems, the backwash and allergic reactions and of course is also ensures the right amount of the
can be used to water the garden and the climate friendly. reagent is added to the water sample.
system can also be programmed in any New dealers and sales of domestic Lovibond, manufacturers of DPD tablet
one of four languages. systems in Europe have increased by 15% reagents for over 20 years, has introduced
Testimonies from the UK and across during the last year and will increase more an improvement to the tablet packaging.
as swimming pool owners remove old One drawback of the foil strip is that it is
expensive salt systems and time not as easy to add the tablet to the water
consuming chlorine systems which just sample as a liquid reagent. The operator
burn away in the high Mediterranean needs to tear open the foil and then edge
temperatures. the tablet into the sample without
The Aligator copper and silver residue touching it. If the tablet is touched, or
does not dissipate from the swimming placed on the palm of the hand, it can
pool despite high temperatures. adversely affect the pH or contaminate the
Bi Water and Aligator worked together sample and then introduce inaccuracy into
on the Seal Pool at Weymouth Sealife the test result.
Park to remove green algae from the The new packaging uses a blister type
sides of the Seal pool. Amazing results of foil – preserving the long shelf life, but
were achieved and now the seals have adding the advantage of much easier
clear water without the use of chlorine handling, as well as a smaller overall foil
and the public can again easily view the size. Now all the operator has to do is
seals from the underwater viewing position the blister over the sample and
window and from the water’s surface. push the tablet into the water – simply,
Achieving clear water is critical but easily and effectively – avoiding any risk
maintaining a testing regime which ensures of touching the tablet surface. The
it stays that way is turning out to be big integrity of the test is preserved and time
business. is saved.
How do you make sure that the Certikin has its solution with the Scuba
internationally recognised DPD method is pool tester which is accurate and requires
used to best effect to measure chlorine no test vials or tubes. It gives a reading in
levels in water? The Palins DPD method for seconds and weighs 100g.
testing pool chlorine is a recent addition to The Scuba is an immersible test device
the methods for testing free and total which uses the same technology that is
chlorine residuals and has the advantage used in public swimming pools. A sample
that the reagent chemicals are in tablet of the water is tested using the
Visit our website at www.swimmingpoolnews.co.uk AUGUST 09 swimming pool news 33
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