Total Pool Chemicals Ltd
Swimming Pool Water Treatment Specialists
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Chemicals 
Bromine
Bromine, chlorine and iodine are halogens with disinfecting qualities that have been utilised by mankind for many years. Chlorine is the most common, but bromine has characteristics that, in the swimming pool environment, bring considerable advantages. All disinfecting halogens react chemically with ammonia-based pollutants to produce halo-amines. Mono-chloramine, di-chloramine and nitrogen trichloride are formed by chlorine. These have minimal disinfecting action. The nitrogen trichloride is given off into the atmosphere and is responsible for the irritant 'chlorine smell' that bathers dislike so much. Bromine, on the other hand, forms only mono-bromamine. This has a powerful disinfecting action and is not given off into the air. Consequently, the atmosphere in a bromine-disinfected pool has no chlorine smell and no irritant effect on bathers.
Bromine disinfection has a further advantage. The efficiency of chlorine falls rapidly as the pH (a measure of the acid or alkaline content of the water) rises. In swimming pools there is a natural tendency for the pH to increase - especially in areas where the mains water is hard. Consequently, acids have to be added to the pool to keep the pH at a level where the chlorine remains effective. The generally accepted pH value is 7.5 - at which the disinfecting chlorine efficiency is 50%. At pH 7.5 bromine disinfectants are over 90% efficient and at pH 8.0 are 85% efficient so the need for acid addition to reduce pH is much reduced. This introduces chemical stability (page 6) to the pool water and accurate automatic chemical dosing is much more easily achieved. Poolcure enables pool operators to gain all the benefits of bromine disinfection without capital expenditure and often with a net chemical cost saving.
Introduction - Benefits - Chemistry - Corrosion prevention - Case studies - Health & safety
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