{"product_id":"spaguard-spa-sentry-ph-control-32-oz-42638bio","title":"SpaGuard® Spa Sentry® One-Step pH Control, 32 fl oz 42638BIO","description":"\u003cp\u003eSpaGuard® Spa Sentry® controls the pH of spa and hot tub water in one easy step. SpaGuard® states it controls pH for up to two full months, which cuts down on routine pH adjustments between water changes. It is a liquid in a 1 quart (946 mL) bottle.\u003c\/p\u003e\n\u003cp\u003eAdd Spa Sentry® at the dose shown on the label for your spa's volume and follow the label directions. It controls pH; it does not sanitize, so keep up your normal sanitizer and shock routine and keep testing the water.\u003c\/p\u003e\n\u003cp\u003eCheck compatibility before buying. SpaGuard® states that Spa Sentry® should not be used in spas with plaster finishes or grouting that contains calcium, or in spas using biguanide sanitizers, such as the SpaGuard® Soft Soak® system. The label carries the CAUTION signal word: may cause eye irritation. Keep it out of reach of children and do not mix it with other chemicals.\u003c\/p\u003e","brand":"SpaGuard","offers":[{"title":"32 fl oz","offer_id":53422039761208,"sku":"42638BIO","price":24.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/1570\/3864\/products\/42638BIO.png?v=1684788494","url":"https:\/\/www.hottubthings.com\/products\/spaguard-spa-sentry-ph-control-32-oz-42638bio","provider":"Hot Tub Things","version":"1.0","type":"link"}