{"product_id":"spaguard-spa-sentry","title":"SpaGuard Spa Sentry (1 QT)","description":"\u003cp\u003eSpaGuard Spa Sentry is a one-step liquid additive that prevents pH bounce for up to 1 month per application. Simply add it to your spa water after draining, refilling, and adjusting pH and alkalinity levels. This product also contains a clarifying agent that removes dissolved metals, leaving your water clearer, softer, and more inviting for bathers. Ideal for spa maintenance, Spa Sentry helps keep your water balanced and enjoyable.\u003c\/p\u003e","brand":"SpaGuard","offers":[{"title":"Default Title","offer_id":46269670031617,"sku":"","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/2330\/2401\/files\/Screenshot2026-07-17155349.png?v=1784328852","url":"https:\/\/shopsouthwestspas.com\/products\/spaguard-spa-sentry","provider":"Shop Southwest Spas","version":"1.0","type":"link"}