{"product_id":"haviland-hardness-plus-calcium-hardness-increaser-for-pools-copy","title":"Haviland 5LB Hardness Plus Calcium Hardness Increaser For Pools","description":"\u003cdiv\u003e\n\u003ch1\u003eHaviland 5LB Hardness Plus Calcium Hardness Increaser For Pools\u003c\/h1\u003e \u003ch2\u003eIntro\u003c\/h2\u003e\n\u003cp\u003eDesigned to safely raise calcium hardness in pool water, Haviland 5LB Hardness Plus protects surfaces from corrosion and premature wear. By restoring proper calcium levels, it helps prevent pitting, etched plaster, and metal corrosion. This granular formula is compatible with all sanitizing systems—chlorine, bromine, mineral sanitizers, and biguanide—so you can maintain a balanced water profile without overhauling your current setup. From Haviland, a trusted name in pool care, this product delivers reliable results you can depend on.\u003c\/p\u003e \u003ch2\u003eList of Features\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eGranular formula for precise dosing\u003c\/strong\u003e — enables you to hit target hardness without overshooting.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAll-system compatibility\u003c\/strong\u003e — chlorine, bromine, mineral sanitizers, and biguanide work with your setup.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSurface protection against corrosion\u003c\/strong\u003e — steady calcium guards plaster and metal surfaces from wear.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSupports balanced water chemistry\u003c\/strong\u003e — helps stabilize alkalinity and reduce pH swings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEasy maintenance\u003c\/strong\u003e — simple to add during routine care for long-term results.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFinal Thoughts\u003c\/h2\u003e\n\u003cp\u003eWith Haviland Hardness Plus, you invest in surface protection, longer equipment life, and a forgiving water balance. Regular use helps prevent costly repairs and keeps your pool looking clear and inviting. Add this trusted calcium hardness increaser to your routine today and enjoy easier maintenance and peace of mind.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Haviland","offers":[{"title":"Default Title","offer_id":51484565176637,"sku":"C007261-CS77C2","price":8.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/3611\/6541\/files\/806A0746.png?v=1773259567","url":"https:\/\/www.duckiespoolsupply.com\/products\/haviland-hardness-plus-calcium-hardness-increaser-for-pools-copy","provider":"Duckies Pool Supply","version":"1.0","type":"link"}