Water Treatment

Salt chlorinators, ionisers, ozone & mineral purification

Low cost ecological water purification for swimming pools

Are you worried about chlorine and other allegedly potentially hazardous chemicals? Would you like to eliminate or at least considerably reduce the presence of chemicals in your swimming pool?

Beware of certain offers on the internet which seem too good to be true. Some devices are literally bought illegally into the UK in peoples suitcases! There may be no backup or spares whatsoever. Nor is there likely to be any genuinely knowledgeable advice on correct sizing etc. Others may try to blind you with science. Some are horrendously expensive, and promise the Earth but don't really deliver, unless you spend even more money upgrading your pool filtration turnover to virtually commercial levels, which also greatly increases running costs.

As science and engineering graduates we believe we are better qualified than most to asses the different options available. We have tried to put together a selection, from the bewildering variety on the market, of reasonably priced systems that genuinely seem to perform as they claim. Please feel free to phone us to discuss the various merits or otherwise of each system in relation to your particular circumstances.

Nature-2 Fusion Mineral Purification

salt ionisers

Nature-2 Fusion Active Minerals Water Purification System - brochure

Combi Purifier and Chlorine Dispenser

Nature2 cartridges contain Active Mineral balls which collect the particles that the filter fails to stop and disperses disinfectant minerals throughout the pool or spa for Visibly Superior water quality. Used in conjunction with low levels of chlorine, less than half what would be required with chlorine alone. Replacement cartridges normally last for six months. No electricity required. Apart from disinfecting, Nature-2 also kills algae and clarifies the water, removing the need for flocculants, clarifiers or algicides. Neutral pH.

Fusion mineral purifiers have integrated chlorine dispensers which use normal easily obtained tri-chlor Maxitabs

* Softer water with complete peace of mind * Less chlorine * Balanced water requiring fewer tests & checks * Independent operation * Mineral purification throughout the season * One fill of chlorine tablets typically lasts 2 months * Easy setting & adjustment with simple milled wheel *

Eco Friendly - fewer chemicals - softer water

Fusion Water Purifier complete with F15 cartridge - up to 9000 gallons (40 cu.m.) £369
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Fusion Water Purifier including F25 cartridge - for pools up to 19,800 gallons (90 cu m) £375
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Fusion Water Purifier with F35 cartridge - up to 28,600 gallons (130 cu m) £395
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Fusion Water Purifier with F45 cartridge - up to 37,400 gallons (170 cu m) £399
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Express for fast retro-fit to inground pools up to 16,500 gallons (75 cu m) without chlorine. Includes Express cartridge £245
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Replacement Cartridges - Express £99
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F15 / CA30 £65
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F or G 25 £75
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F or G 35 £89
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F or G 45 £99
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Spa (fits inside spa filter cartridge) £22
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Do not use with bromine, PHMB (such as Baquacil) or products containing copper. Although the Nature2 system uses copper, it is not an ionic purifier. It produces low copper levels between about 0.02 and 0.06ppm

Blue Lagoon UV & ionisation systems

salt ionisers

brochure

Blue Lagoon Ultra Violet disinfection system. UV-C radiation with a wavelength of 253.7 nm is generated by a special lamp, which produces the bactericidal action. Efficient and environmentally friendly.

* Capable of reducing the use of chlorine and other chemicals by up to 80% * Provides fresh, clean and clear water * Integrated adjustable hour counter for the Philips UV-C lamp * UV-C rays demolish bonded chlorine * Digital indication when the lamp needs replacing * Built-in electronic ballast for an even power supply. * Efficiently and safely disinfects water * Protects your pool against pathogenic organisms * Keeps the formation of mould, bacteria and algae under control * Prevents chlorine smell and irritation of skin and eyes (red eyes) * Better for the environment than traditional methods * Up to 35% more UV-C produced by reflection * 316L stainless-steel housing * Straightforward installation and maintenance * 2-year warranty on production defects * Earthed *

Water is fed through the UV-C machine by a pump. The UV-C radiation neutralises bacteria, viruses and other primitive organisms and prevents them from reproducing. The Blue Lagoon UV-C Timer has a built-in high-frequency electronic ballast. This ballast absorbs current fluctuations and so protects the lamp. The device also contains an integrated hour counter that accurately monitors the number of burning hours. You can see exactly when the lamp needs replacing. In addition, the stainless-steel interior reflects the UV-C radiation, thereby increasing the efficiency by up to 35%. With the Blue Lagoon UV-C Timer your water will be efficiently and safely disinfected, providing you with excellent water quality.

16 watt Spa UV system - treats up to 15 cu.m. (not including timer) £279
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40 watt UV sanitizer including timer - up to 35 cu.m. £369
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75 watt UV sanitizer including timer - up to 70 cu.m. £439
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130 watt UV sanitizer including timer - up to 150 cu.m. £939
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Combined 40 watt UV plus ionisation system - for pools up to 40 cu.m. £729
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Combined 75 watt UV plus ionisation system - for pools up to 75 cu.m. £789
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Aligator ionizing system

salt ionisers

brochure

The alligator ionic purifier works by harmlessly charging ions in the swimming pool water which creates a residual disinfectant & algaecide which stays distributed throughout the whole pool. Eliminates any need for algicides or clarifiers.

Once the size of the pool has been entered into its computer, the computer continually monitors the condition of the silver and copper electrodes and of the swimming pool water, and will alert the user if attention is needed by means of a flashing red light and an audio alarm

Aligator is arguably the best ioniser on the market and gives savings over conventional chemical sanitisation of up to 75%

For pools up to 100 cu.m. or 22,000 gallons - over 40' x 20' or about 12 x 6m £875
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For pools up to 200 cu.m. or 44,000 gallons £1095
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Do not use ionic purifiers on brominated or Baquacil / PHMB treated swimming pools

Zodiac Clearwater Tri-Salt Chlorinators

salt ionisers

brochure

* 3 year unconditional warranty * Large backlit LCD display * Flow switch incorporated into the cell * Low mode operation option reduces production if the pool is covered * Super chorinate at the touch of a button * Adjustable polarity reversal time periods for hard water areas * In built timer *

for swimming pools up to 40 cu.m. or approx 9000 gal - pools under about 28' x 14' or 8.5m x 4.25m £1107
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up to 70 cu.m. - 1500 gal - to 32' x 16' about 9.75m x 5m £1325
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up to 90 cu.m. - 20,000 gal - 40' x 20' about 12m x 6m £1549
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up to 140 cu.m. - 30,000 gallons £1934
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pH Controller (acid only) £559
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Check compatibility of heaters and pumps before installation. We advise that all metal parts in contact with the water share a common earth to avoid tarnishing.

Autopilot Digital Salt Chlorine Generators

salt ionisers

The Rolls Royce of Salt Chlorinators - brochure

* Lowest minimum salt level of any salt chlorinator on the market, only 2000ppm * Market leading technology with a fluorescent digital display which reads out the salt level and calculates how much salt needs to be added to prevent overdosing * Displays temperature, flow and diagnostics * Choice of superchlorination modes (24 & 72 hours) * Patented bypass manifold system for ease of installation and efficient chlorine delivery * Self cleaning cell which operates in water up to 40 deg C & a salt content up to 35,000ppm * Built in temperature compensation for output and freeze protection over winter * Time clock to operate the pump built in, and push button controls *

to 75 cu m £1576
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to 150 cu m £1816
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to 190 cu m £2175
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Check compatibilty of heaters and pumps before installation

Puronizer

salt ionisers

brochure

The Puroniser is a well established British made ionic water purifier.

for pools up to 90 cu.m. (20,000 gallons) £885
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up to 135 cu.m. (30,000 gallons) £1149
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up to 180 cu.m. (40,000 gallons) £1325
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DuoClear combined Nature-2 plus Salt

salt ionisers

brochure

Including built in timer. Duoclear creates synergy between Nature 2 mineral purification and salt water chlorination. The Nature 2 technology allows you to use low chlorine levels to effectively sanitise your swimming pool, while the salt water chlorinator component automatically produces and adds low levels of chlorine.

Duoclear 15  for swimming pools up to 65 cu.m. or roughly 14,000 gallons - including pools over 32' x 16' or 10m x 5m £939
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Duoclear 25  up to 100 cu.m. or over 20,000 gallons - including pools over 40' x 20' or 12m x 6m £1169
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Duoclear 45  up to 170 cu.m. £1479
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cartridge for Duoclear 15 £129
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cartridge for Duoclear 25 £169
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cartridge for Duoclear 45 £179
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pH Perfect pH controller including probe & fittings. Can be used with any water treatment. £529
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Check compatibility of heaters and pumps before installation. We advise that all metal parts in contact with the water share a common earth to avoid tarnishing. pH Perfect requires bunded chemical holding tank and chemicals, not included. Please phone us for assistance.

Prozone Ozone Generators

salt ionisers

brochure

Venturi driven ozonators complete with fittings such as adjustable saddle clamps etc.

PZ7-1 for swimming pools up to 15,000 gallons (136 cu m) £559
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PZ7-2 up to 25,000 gallons (136 cu m) £729
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Prozone must still be used with a small "residual" amount of chlorine or bromine for complete safety and effectiveness. Do not use with PHMB such as Baquacil.

All prices include VAT and UK mainland delivery

Please click here for further advice on conventional swimming pool chemicals.

Other Sanitisation Systems

E-Clear

Manufactured in South Africa and heavily promoted in the UK. We would be happy to quote you on request for the supply and installation of an E-Clear system for your swimming pool.

These units cost around twice as much as the most expensive alternatives above, and unfortunately the costs do not stop there. E-Clear relies on electrolysis of water to produce oxygen for purifying water. Claims include good enough to drink etc, which is probably true. But, just as we tend to avoid drinking water that has been contaminated after it has been cleansed, we should also be wary of water in a swimming pool which has been repeatedly subjected to all sorts of contamination for several hours, in between passes through the purification unit. Consequently E-Clear only works as claimed if the pump and filter are considerably oversized compared to a normal domestic pool. For this reason the manufactures of E-Clear stipulate that the filtration system of a pool has to be upgraded considerably above the normal turn-over for a domestic pool, to more like commercial pools in fact. This oversizing is to enable the water to pass through the oxygen cells more frequently, and can be costly.

There is nothing mysterious about the process used to electrolyse water to produce oxygen. The chemistry and physics involved are the same, in principle, as the classic school laboratory experiment, in which the oxygen is tested by re-lighting a glowing splint, and the hydrogen which is also produced is made to go "pop". In this experiment the water has to be "acidulated", otherwise it doesn't conduct electricity well enough. In the same way, E-Clear requires that the pool be run at a lower pH, ie more acidic, than would normally have to be the case. The acid level has to be carefully and continuously monitored. If the pH is too high E-Clear won't work; too low will cause corrosion. For this reason E-Clear is usually marketed with an "add on" automatic acid dosing system, to alleviate the hassle of doing it by hand, and this also adds to the costs.

Installing E-Clear is definitely not a DIY job. Installation and commissioning has to be done by a specialist team, costing hundreds of pounds.


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