{"product_id":"spaguard-spa-sentry-1-qt-2-pack","title":"SpaGuard Spa Sentry (1 qt) (2 Pack)","description":"\u003cp\u003eSpaGuard's Spa Sentry gives spa owners a one-step liquid additive to avoid pH bounce for up to 1 month per application, simply by adding directly to the water. Before using this product you must first drain and refill your spa and set the desired level of both pH and alkalinity before applying. Spa Sentry also contains a clarifying agent that removes dissolved metals in your water, giving your spa clearer and softer water that will be instantly noticed by bathers.\u003c\/p\u003e\u003cdiv class=\"replacement-content\"\u003e\u003c\/div\u003e\u003ch3\u003eFEATURES\u003c\/h3\u003e\u003cul\u003e\n            \u003cli\u003eIf your fill water has calcium hardness less than 150 ppm (195 ppm total hardness) add 1 quart (1 bottle) of Spa Sentry per 300 to 500 gallons of spa or hot tub water\u003c\/li\u003e\n\u003cli\u003eIf dissolved calcium is present, the water softening action of Spa Sentry will precipitate the calcium, allowing your filter to remove it\u003c\/li\u003e\n        \u003c\/ul\u003e\u003cdiv class=\"replacement-content\"\u003e\u003c\/div\u003e","brand":"SpaGuard","offers":[{"title":"Default Title","offer_id":45283033088182,"sku":"SpaGuard Spa Sentry 1 QT 2pk","price":59.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/6453\/6246\/files\/61998jVAyvL.jpg?v=1784914501","url":"https:\/\/prostarpoolsupply.com\/products\/spaguard-spa-sentry-1-qt-2-pack","provider":"Prostar Pool Supply","version":"1.0","type":"link"}