{"product_id":"tub-defender-hardness-increaser","title":"Tub Defender - Hardness Increaser","description":"\u003cp\u003eUltra-Fine, fast dissolving hardness increaser to protect your hot tub from corrosion. 1.5 lbs. Proper water balance helps everything last longer. Increased hardness levels will require more frequent cleaning of salt cells which can be done by soaking in white vinegar.\u003c\/p\u003e","brand":"the hot tub wizard","offers":[{"title":"Default Title","offer_id":67667097256049,"sku":"HTW-TD","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/3924\/3121\/files\/5462292242.jpg?v=1791935871","url":"https:\/\/thehottubwizard.com\/products\/tub-defender-hardness-increaser","provider":"The Hot Tub Wizard","version":"1.0","type":"link"}