{"product_id":"my-garden-pool-calcium-booster-granular-2-lb-2-1-lb-kit-with-20-count-test-strips-scum-sponge-raises-hardness-reduces-foami","title":"My Garden Pool Calcium Booster Granular 2 lb (2×1 lb) Kit with 20-Count Test Strips \u0026 Scum Sponge — Raises Hardness, Reduces Foami","description":"\u003cp\u003e\u003cstrong\u003eLeisure Time Calcium Booster is a granular calcium hardness increaser for spas and small pools, packaged as two 1 lb containers and paired with 20-count My Garden Pool test strips plus a scum-absorbing flower sponge for cleaner water and surfaces.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eKeeping calcium hardness in the recommended range prevents equipment wear and surface etching while reducing foaming and cloudy water. This kit combines a practical, easy-to-measure granular formula with simple testing and a targeted scum sponge so you can measure, adjust, and remove scum lines without juggling multiple products.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I use this calcium booster to raise hardness correctly?\u003c\/h3\u003e\n\u003cp\u003eMeasure your pool or spa volume, test current calcium hardness with the included 20-count My Garden Pool test strips, then dissolve or broadcast the granular booster according to dosage guidance. The product raises calcium predictably—one ounce increases hardness by about 7 ppm in 500 gallons—so small, incremental additions avoid overshooting the ideal range.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTest water first with the included test strip for baseline calcium hardness.\u003c\/li\u003e\n  \u003cli\u003eCalculate dosage using the one-ounce per 7 ppm per 500-gallon reference.\u003c\/li\u003e\n  \u003cli\u003eBroadcast evenly with circulation running; allow full turnover before retesting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this affect my sanitizer or cause foaming?\u003c\/h3\u003e\n\u003cp\u003eThe granular booster is formulated to be compatible with common sanitizers such as chlorine, bromine, ozone, and biguanide systems, and helps reduce foaming that can occur in soft water. Because it increases hardness, you should see fewer foam events and improved water clarity when levels fall within the recommended 150–400 ppm range.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSafe to use alongside chlorine, bromine, ozone, and biguanide sanitizers.\u003c\/li\u003e\n  \u003cli\u003eHelps prevent foaming associated with low calcium hardness.\u003c\/li\u003e\n  \u003cli\u003eMaintain recommended range to protect equipment and surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat is the best way to remove scum lines and surface oils?\u003c\/h3\u003e\n\u003cp\u003eThe included Scum Sponge (flower-shaped, oil-absorbing) targets scum lines and floating oils without chemicals—just press it against the waterline and lift away trapped residues. It’s reusable and made to pick up skin oils, hair products, and lotion buildup that often cause visible scum lines on spa and pool surfaces.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePress sponge against the waterline to absorb oils and scum.\u003c\/li\u003e\n  \u003cli\u003eRinse and wring between uses; replace when saturated or worn.\u003c\/li\u003e\n  \u003cli\u003eCompliments chemical care by removing residues physical cleaners can’t dissolve.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I test and adjust calcium hardness?\u003c\/h3\u003e\n\u003cp\u003eCheck calcium hardness regularly—monthly for maintenance, and after major water top-offs or refills. Re-test after any large chemical addition or if you notice foaming, cloudy water, or surface scaling; adjust in small increments to reach the target 150–400 ppm range.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMonthly routine testing keeps levels stable and predictable.\u003c\/li\u003e\n  \u003cli\u003eTest immediately after filling or adding large volumes of fresh water.\u003c\/li\u003e\n  \u003cli\u003eRebalance slowly: add small amounts and retest after circulation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This kit suits hot tub and small pool owners who want a straightforward, granular calcium booster with precise dosing, plus basic water testing and a physical tool for scum removal. It’s ideal if you prefer granular products over liquids, want clearer water with fewer foam issues, and appreciate a simple, non-chemical sponge to keep waterlines tidy.\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: How much does one ounce raise calcium hardness?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: One ounce raises calcium hardness approximately 7 ppm in 500 gallons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this with chlorine or bromine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the booster is compatible with chlorine, bromine, ozone, and biguanide systems.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"My Garden Pool","offers":[{"title":"Default Title","offer_id":56832219283796,"sku":"B0CZSD73M2","price":66.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/my-garden-pool-leisure-time-calcium-booster-front-packaging.jpg?v=1787025035","url":"https:\/\/gardenluxe.co.uk\/products\/my-garden-pool-calcium-booster-granular-2-lb-2-1-lb-kit-with-20-count-test-strips-scum-sponge-raises-hardness-reduces-foami","provider":"Gardenluxe Uk","version":"1.0","type":"link"}