{"product_id":"robelle-16-pounds-premium-pool-calcium-up-calcium-hardness-increaser","title":"Robelle 16-Pounds Premium Pool Calcium Up — Calcium Hardness Increaser","description":"\u003ch2\u003eRobelle 16-Pounds Premium Pool Calcium Up\u003c\/h2\u003e\n\u003cp\u003eRobelle Calcium Up is a dry, granular formula designed to raise the total calcium hardness in your pool water. When tests show hardness below the desired range, this product provides a quick, controlled way to bring levels back into balance, helping you maintain a healthier pool water environment without guesswork.\u003c\/p\u003e\n\u003ch3\u003eWhy calcium hardness matters\u003c\/h3\u003e\n\u003cp\u003eMaintaining proper calcium hardness supports surface integrity and equipment longevity. A balanced level helps reduce the risk of corrosion and etching on vinyl, tile, marcite, fiberglass, or painted surfaces. With the right hardness, your water balance tends to be more stable, contributing to a more comfortable swimming experience and easier maintenance overall.\u003c\/p\u003e\n\u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCalcium chloride-based formula for pools with a rapid hardness increase.\u003c\/li\u003e\n  \u003cli\u003eHelps prevent corrosion or etching of pool surfaces when properly maintained.\u003c\/li\u003e\n  \u003cli\u003eIdeal hardness range typically falls between 200 and 400 ppm, depending on pool type.\u003c\/li\u003e\n  \u003cli\u003eEach 8-ounce dose raises hardness by about 10 ppm in roughly 5,000 gallons, enabling predictable dosing.\u003c\/li\u003e\n  \u003cli\u003eSupports prevention of staining or etching by maintaining balanced hardness in the water.\u003c\/li\u003e\n  \u003cli\u003eLow calcium hardness can lead to water balance issues, making steady dosing important for upkeep.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDissolve up to 2 pounds of product in a plastic bucket filled with pool water to create a solution.\u003c\/li\u003e\n  \u003cli\u003eWith the circulating system running, slowly pour the solution around the pool perimeter for even distribution.\u003c\/li\u003e\n  \u003cli\u003eIn a 10,000 gallon pool, avoid adding more than 10 pounds within a 2-hour period.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-life use cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSeasonal openings or after refilling when hardness is low, to protect surfaces during refill.\u003c\/li\u003e\n  \u003cli\u003eAfter heavy rainfall or dilution events that reduce hardness, for a quick balance restoration.\u003c\/li\u003e\n  \u003cli\u003eVinyl, tile, marcite, fiberglass, or painted pools benefit from maintaining a stable hardness target during routine maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuality and storage\u003c\/h3\u003e\n\u003cp\u003eStore in a cool, dry place in a sealed container to prevent moisture. Follow the included chart for dosing and test hardness with a reliable kit to confirm the target range for your pool type.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is Robelle 16-Pounds Premium Pool Calcium Up used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It raises calcium hardness in pool water to protect surfaces and equipment from hardness-related issues.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I use Robelle Calcium Up in my pool?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Dissolve in a bucket of pool water and slowly pour around the perimeter while the pump runs, following the dosage chart.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Robelle","offers":[{"title":"Default Title","offer_id":45741817200826,"sku":"B01CP5S590","price":99.49,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/robelle-calcium-up-granules-pool.jpg?v=1774836075","url":"https:\/\/gardencanada.ca\/products\/robelle-16-pounds-premium-pool-calcium-up-calcium-hardness-increaser","provider":"Garden Canada","version":"1.0","type":"link"}