{"product_id":"leisure-time-spa-up-spa-alkalinity-increaser-2-lb-4-pack-slow-acting-granular-formula-for-balanced-hot-tub-water","title":"Leisure Time Spa Up spa alkalinity increaser 2 lb, 4‑pack — slow‑acting granular formula for balanced hot tub water","description":"\u003cp\u003e\u003cstrong\u003eLeisure Time Spa Up is a concentrated granular formula designed to raise and stabilize total alkalinity in spas and hot tubs for more comfortable, balanced water.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eKeeping total alkalinity in the recommended range helps prevent rapid pH swings and protects both equipment and bathers. Leisure Time Spa Up delivers a controlled, slow-acting alkalinity increase so you can fine-tune water balance without overshooting. Each 2-pound container in this 4-pack provides an economical supply for routine maintenance of home spas, portable hot tubs, and small commercial tubs.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly will Spa Up change my spa’s alkalinity?\u003c\/h3\u003e\n\u003cp\u003eSpa Up is a concentrated granular treatment formulated to dissolve and raise alkalinity gradually rather than in a single, abrupt jump. That slower action makes it easier to test and adjust without causing pH bounce. Expect incremental increases over several hours; always retest before adding more product.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdd small doses and allow circulation for 2–4 hours before retesting.\u003c\/li\u003e\n  \u003cli\u003eTypical target range: 80–120 ppm total alkalinity.\u003c\/li\u003e\n  \u003cli\u003eWorks with chlorine, bromine, ozone, and biguanide sanitizer systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I apply Spa Up safely in my hot tub?\u003c\/h3\u003e\n\u003cp\u003eMeasure the current total alkalinity with reliable test strips or a test kit and calculate the required dose. With circulation running, broadcast Spa Up around the perimeter or dissolve it in a bucket of water first for very small tubs, then add slowly. Avoid adding other water chemistry products at the same moment to prevent interactions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTest before adding: know your starting ppm.\u003c\/li\u003e\n  \u003cli\u003eAdd product in small increments, circulate, and retest.\u003c\/li\u003e\n  \u003cli\u003eKeep bather use suspended until readings are stable and safe.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill Spa Up interfere with my sanitizer or equipment?\u003c\/h3\u003e\n\u003cp\u003eSpa Up is designed to be compatible with common spa sanitizers and systems, including chlorine, bromine, ozone, and biguanide. Used as directed, it helps stabilize pH indirectly by holding alkalinity steady, which reduces stress on control equipment and surface finishes. Avoid combining with other granular chemicals at the same time to prevent localized concentrations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with most sanitizers: chlorine, bromine, ozone, biguanide.\u003c\/li\u003e\n  \u003cli\u003eHelps reduce pH bounce that can stress heaters and surfaces.\u003c\/li\u003e\n  \u003cli\u003eDo not mix undissolved chemicals together directly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this product is for: Leisure Time Spa Up is intended for spa and hot tub owners who want a straightforward, economical way to maintain total alkalinity within the recommended 80–120 ppm range. It’s well suited to homeowners, seasonal property managers, and small commercial operators who prefer granular, controlled dosing to protect finishes, extend equipment life, and keep water comfortable for users. If you already use Leisure Time or other Sigura family products like HTH or GLB, Spa Up integrates easily into an established water-care routine.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eUsage tips:\u003c\/em\u003e store containers dry and sealed, follow label directions for dosing, and always retest water after circulation. For persistent imbalance issues, review total dissolved solids, calcium hardness, and sanitizer routine as part of a full maintenance check.\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 Spa Up should I add to raise alkalinity?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Dose depends on spa volume and current alkalinity; add small increments, circulate 2–4 hours, then retest until you reach 80–120 ppm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use Spa Up with bromine or biguanide systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Spa Up is compatible with chlorine, bromine, ozone, and biguanide sanitizers when used as directed.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Leisure Time","offers":[{"title":"Default Title","offer_id":56829878567252,"sku":"B010E2GZZC","price":87.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/leisure-time-spa-up-front-packaging.jpg?v=1786999135","url":"https:\/\/gardenluxe.co.uk\/products\/leisure-time-spa-up-spa-alkalinity-increaser-2-lb-4-pack-slow-acting-granular-formula-for-balanced-hot-tub-water","provider":"Gardenluxe Uk","version":"1.0","type":"link"}