Primexehf,Oskarsgata7,580Siglufjordur,IcelandTel:+3544606900–www.primex.is–info@primex.is

SeaKlear®–NaturalClarifierforHotTubsandPoolsSeaKlear®isaChitoClear®chitosanbasednaturalformulaspeciallyproducedbyPrimexehftokeepyourhottuborswimmingpoolclean.Whatdoesitdo?SeaKlear®reducestheformationofchloramines(alsoknownas“combinedchlorine”),thechemicals inyourwaterthatburnoureyesandannoyournose.SeaKlear®doeswondersfor cartridge, sand and D.E. filters. Your filter won‘t gum up with oil. SeaKlear® helpsextendfilterlifetime.Howdoesitwork?The positive charge of the chitosan in SeaKlear® attracts oils, lotions, scum and otherimpurities in the water and flocculates them. The clumps are collected faster and moreeasily by the filtering system, leaving the bathwater clear and clean. This makes filtermaintenancemuch easier! By reducing impurities in thewater,over 40% less chlorine isrequiredtotreatthewaterandcombinedchlorineformationisreduced.BenefitsofusingSeaKlear®

• Naturalwatertreatment• Cloudywaterturnsclearwithinminutes• Reduceschlorineusagebyupto40%• Removesoils,lotionsandotherimpurities• Easyonfiltersandextendstheirlifetime

SeaKlear®isanaturalproductmadeinIceland.CASE STUDY - Use of SeaKlear® in outdoor heated pool overwintertime(2016-2017)inIcelandledto:• Considerablylessusageofchlorine,resultingin44%savings• Carbondioxidegassavingsby52%• Morestablewaterquality

Primexehf,Oskarsgata7,580Siglufjordur,IcelandTel:+3544606900–www.primex.is–info@primex.is

UseofSeaKlear®inoutdoorheatedpooloverwintertime2016-2017The study was done at the municipality of Olafsfjordur in the north of Iceland. Theswimmingpoolwatercomesfromdrilledwellsintheareaandisveryalkaline(pH9–9.5).TocomplywiththeregulationthatrequiresthewaterpHtobe7.0-7.8,aCO2supplysystemhasbeeninstalled.Chlorineisalsocontinuouslysuppliedasrequired.

TheOlafsfjordurmainswimmingpoolcontains340m3ofwaterandhasa22m3 sump tank.Thewater is recycledthroughasand filtersystem,circulating7m3ofwater in20minutes. The site also includes a childrens‘ play pool(18.8m3)andtwohottubs(12m3each).

Duringthe2016-2017studyperiod,400mlofSeaKlear®Clarifierwasaddedtwiceaweekto thewater of themain swimmingpool just before entering the sump tank and 150mlweeklyintothesumptankofeachhottub.Chlorineusage(Oct.-Feb.)wascomparedtoasimilar period in 2015-2016, as the control. CO2 usage (Dec.-March) was compared to asimilarperiodin2015-2016.Theresultsclearlyshowthatthedailyaveragechlorineusagedecreased from 6.3 to 3.5 Lwhile the daily CO2 usage decreased from 6.6 to 3.2 L. Thissubstantial decrease in the use of chlorine and CO2 resulted in considerable operationalsavings,44%and52%respectively,duringthestudyperiod.

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Savings: 44% Savings: 52%