{"product_id":"non-stabilized-chlorine-sticks-300g-4-5kg","title":"Non-Stabilized Chlorine Sticks 300 g – 4.5 kg","description":"\u003ch1\u003e\u003cspan\u003eNon-Stabilized Chlorine Sticks 300 g – 4.5 kg (Hypomen)\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCal’Hyp’O Hypomen non-stabilized chlorine sticks\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, supplied in a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.5 kg bucket of 300 g sticks\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, are designed for routine disinfection of private swimming pool water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMade with calcium hypochlorite, these slow-dissolving sticks gradually release chlorine to help maintain effective pool disinfection and control algae growth.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike stabilized chlorine tablets, Hypomen Sticks \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edo not add cyanuric acid (chlorine stabilizer)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to pool water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy choose these non-stabilized chlorine sticks?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eHypomen Sticks offer a gradual chlorine-release format for regular private pool maintenance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKey features include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNo added stabilizer:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e does not introduce cyanuric acid into the water.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSlow dissolution:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e designed for gradual chlorine release.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConvenient format:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e individual 300 g sticks supplied in a 4.5 kg bucket.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDisinfecting action:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e calcium hypochlorite-based product with 65% available chlorine.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eNon-stabilized chlorine is useful when you want to avoid adding further cyanuric acid through your regular pool treatment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHowever, it does not remove stabilizer already present in the water, and sunlight, pH and existing stabilizer levels can still influence chlorine performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhen should you use this treatment?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThese sticks are intended for the regular chlorination of private swimming pools, particularly when ongoing disinfection is needed without introducing additional cyanuric acid.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTreatment selection should also consider existing free chlorine levels, pool volume, pH, calcium hardness and the equipment used.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor more information, read our guide to \u003c\/span\u003e\u003ca href=\"https:\/\/iopool.com\/blogs\/did-you-know\/difference-between-stabilized-unstabilized-chlorine\"\u003e\u003cspan\u003estabilized versus non-stabilized chlorine\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow much chlorine should you use?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eEach Hypomen stick weighs \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e300 g\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. This is the unit weight, not a universal dose suitable for every swimming pool.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe correct number of sticks and replacement frequency depend on the pool's water volume, measured chlorine concentration and the instructions on the product label.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCheck pH and free chlorine regularly. Always follow the authorized dosing instructions for the specific product and market.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow to use the chlorine sticks\u003c\/span\u003e\u003c\/h2\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMeasure your pool's pH and free chlorine concentration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDetermine pool volume and consult the dosing instructions on the container.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEnsure the intended skimmer or treatment system is free from residues of other chemical products.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIntroduce the sticks using only the application method authorized on the product label, with filtration running where instructed.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMonitor water parameters before deciding whether additional treatment is needed.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan\u003eDo not use an unapproved floating dispenser or dosing device. \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eThese 300 g sticks are not compatible with EcO Tab.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eProduct specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct name\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHypomen Sticks\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCal’Hyp’O\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eChlorine type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNon-stabilized, slow-dissolving\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eChemical substance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCalcium hypochlorite\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAvailable chlorine\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e65%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eStick weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e300 g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTotal pack weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.5 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIntended application\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePrivate swimming pool disinfection\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCyanuric acid added\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNone\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003eCalcium hypochlorite contributes calcium to pool water. Calcium hardness should therefore be monitored, particularly where the water is already hard.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan\u003eSafety precautions and storage\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDANGER — Oxidizing and corrosive biocidal product.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNever mix with other chemicals, including other chlorine treatments or acids. Dangerous chlorine gas may be released.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNever pour water directly onto concentrated product.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not allow the sticks to contact the pool liner or add them directly to the pool unless specifically authorized.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWear suitable protective equipment and avoid contact with skin and eyes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep in the original closed container, stored dry, away from heat and incompatible materials.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep out of reach of children.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrevent unused product from entering the environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThis product may intensify fire, is harmful if swallowed, causes severe skin burns and eye damage, and is very toxic to aquatic life.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eUse biocides safely. Always read the label and product information before use.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan\u003eMonitor pool maintenance with iopool\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe iopool app helps you monitor your pool and understand when maintenance may be required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCombined with the \u003c\/span\u003e\u003ca href=\"https:\/\/iopool.com\/products\/eco-start\/\"\u003e\u003cspan\u003eEcO Start connected water analyzer\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e, it uses measurements including pH, oxidation-reduction potential (ORP) and water temperature to support personalized maintenance recommendations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEcO Start does not directly measure free chlorine, cyanuric acid or calcium hardness. These must be tested separately. The manufacturer's product instructions always take priority.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently asked questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eWill these sticks reduce existing cyanuric acid?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. They add no cyanuric acid, but they do not remove stabilizer already present in the swimming pool.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAre Hypomen Sticks the same as shock chlorine?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. This format provides gradual chlorine release for maintenance. Shock treatments have different purposes and specific dosing instructions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan these chlorine sticks be used in a hot tub?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe available product documentation covers private swimming pools. Specific hot tub compatibility has not been confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eShould the protective wrapper be removed?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eFollow the instructions on the Hypomen container. Do not assume that wrapping instructions for another chlorine-stick brand also apply to this product.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHow often should the sticks be replaced?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eReplacement depends on the authorized dosage, water volume and actual chlorine measurements. Do not rely on a fixed interval without testing.\u003c\/span\u003e\u003c\/p\u003e","brand":"iopool","offers":[{"title":"Default Title","offer_id":50540062310730,"sku":"HYP-300-5K-B-V1","price":59.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0100\/9998\/2432\/files\/65293_c1n1.png?v=1752481072","url":"https:\/\/iopool.com\/products\/non-stabilized-chlorine-sticks-300g-4-5kg","provider":"iopool","version":"1.0","type":"link"}