{"product_id":"th-plus-powder-5kg","title":"TH+ Hardness Increaser Powder – 5 kg","description":"\u003ch1\u003e\u003cspan\u003eTH+ Pool Hardness Increaser Powder – 5 kg\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eiopool TH+\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a calcium chloride-based pool hardness increaser supplied in powder form. It is designed to raise total water hardness (TH) when testing shows that the level is too low.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5 kg bucket\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a supply of hardness increaser for corrective water treatments, with the amount used depending on the pool volume and measured water hardness.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat is TH+ used for, and when should you add it?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eTotal hardness reflects the concentration of dissolved calcium and magnesium in pool water. TH+ increases water hardness by adding calcium.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUse TH+ when a suitable water test identifies a hardness level below the recommended range for your pool. The correction should be considered alongside the water's pH and total alkalinity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWater with insufficient mineral hardness may contribute to an unbalanced water condition. Excessively hard water, on the other hand, may encourage scale deposits on pool surfaces and equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTH+, alkalinity increasers and pH increasers serve different purposes:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTH+ raises water hardness.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAn alkalinity increaser raises total alkalinity, helping the water resist pH changes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eA pH increaser raises the pH value.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFor a more detailed explanation, read our guide to \u003c\/span\u003e\u003ca href=\"https:\/\/iopool.com\/blogs\/pool-advices\/the-chemical-balance-of-your-pool-alkalinity-and-hardness\"\u003e\u003cspan\u003epool water alkalinity and hardness\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 TH+ should you add to your pool?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWhat is the recommended dosage of TH+?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAccording to the product label, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e110 g of TH+ per 10 m³ of water increases TH by 1 °f\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e (one French degree of water hardness).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is the manufacturer's reference dosage for the product. The unit °f refers to water hardness, not degrees Fahrenheit of temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe required quantity depends on your pool's volume, its initial hardness and the correction needed. Always test the water before adding the product and check the result after treatment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTH+ is intended for corrections based on actual water measurements, not automatic weekly dosing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow to use TH+ hardness increaser\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eFollow the manual application method described on the product label:\u003c\/span\u003e\u003c\/p\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMeasure your pool water hardness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e using a suitable test, such as \u003c\/span\u003e\u003ca href=\"https:\/\/iopool.com\/products\/iopool-6in1-test-strips-x50\"\u003e\u003cspan\u003eiopool 6-in-1 test strips\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAssess the required correction using the measured result, your pool volume and the manufacturer's dosage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSwitch on your pool filtration system.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePour the powder directly into the water \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ein front of the return jets\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, avoiding direct contact between concentrated product and pool surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCheck water hardness again using a test strip to assess the treatment result.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan\u003eAlways follow the instructions on the original product packaging and the treatment recommendations applicable to your pool.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTH+ 5 kg product specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eFeature\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\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTH+\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMain function\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIncreases pool water hardness\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDeclared composition\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCalcium chloride\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePhysical form\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePowder\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePackaging\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 kg bucket\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDocumented application\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSwimming pool water\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLabel dosage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e110 g \/ 10 m³ for +1 °f\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eApplication method\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIn front of return jets, filtration running\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\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\u003eWarning: causes serious eye irritation.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\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\u003eRead and follow the original label instructions before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid breathing dust and wash hands thoroughly after handling.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not eat or drink while handling the product.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNever allow the concentrated product to come into direct contact with vinyl liners, polyester finishes or painted surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAlways add the product to water, never water to the product.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStore in its original, tightly closed packaging in a cool, dry place. Do not reuse the empty container.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIn case of eye contact:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do, then continue rinsing. Seek medical advice if irritation persists.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe safety data sheet is available upon request.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan\u003eCheck hardness with iopool\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe iopool app can assist with pool maintenance using the information and water test results provided.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWater hardness requires a manual measurement. The \u003c\/span\u003e\u003ca href=\"https:\/\/iopool.com\/products\/iopool-6in1-test-strips-x50\"\u003e\u003cspan\u003eiopool 6-in-1 test strips\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e measure hardness alongside other water balance parameters such as pH and alkalinity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEcO Start measures pH, oxidation-reduction potential (ORP) and water temperature, but \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edoes not directly measure water hardness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\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\u003eIs TH+ the same as an alkalinity increaser?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. TH+ increases hardness through calcium addition, while an alkalinity increaser raises total alkalinity to help buffer pH changes. They address different water balance parameters. Explore the \u003c\/span\u003e\u003ca href=\"https:\/\/iopool.com\/collections\/chemicals\"\u003e\u003cspan\u003eiopool pool treatment range\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e for other correction products.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eShould I add TH+ every week?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo regular weekly addition is specified. Use TH+ only when your water hardness measurement shows that a correction is needed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes TH+ directly increase pool pH?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIts intended function is to increase water hardness, not to act as a pH increaser. pH and alkalinity adjustments require treatments appropriate to those measurements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use this 5 kg TH+ product in a spa?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe supplied product label describes swimming pool use. Spa-specific dosing and application instructions have not been confirmed for this product, so suitability should be checked before use.\u003c\/span\u003e\u003c\/p\u003e","brand":"iopool","offers":[{"title":"Default Title","offer_id":36568500043937,"sku":"HAR-THP-5K-H-V1","price":24.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0100\/9998\/2432\/files\/IoPool_5KG_TH_Up_1_5722c707-1ae0-40cf-9d49-5330356a4060.jpg?v=1703160901","url":"https:\/\/iopool.com\/en-fr\/products\/th-plus-powder-5kg","provider":"iopool","version":"1.0","type":"link"}