{"product_id":"think-crucial-toilet-tank-cleaner-concentrate-35-citric-acid-8-uses-bleach-free-no-blue-dye-septic-safe-16-fl-oz","title":"Think Crucial Toilet Tank Cleaner Concentrate — 35% Citric Acid, 8 Uses, Bleach-Free, No Blue Dye, Septic Safe — 16 fl oz","description":"\u003cp\u003eDrop-in tablets sit in your tank bleaching everything around them and never touch the actual problem. The brown ring and the white scale collar at the waterline are mineral deposits — calcium carbonate and iron — and bleach does not dissolve minerals. Acid does.\u003c\/p\u003e\n\u003cp\u003eThis is a 35% citric acid concentrate you pour in, let dwell for 30 minutes, and flush. No chlorine, no blue dye, no fumes when you lift the lid, and nothing sitting against your flapper and seals around the clock. One 16 fl oz bottle holds 8 full-tank doses.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"line-height: 1.5;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 uses per bottle\u003c\/strong\u003e – One 16 fl oz bottle delivers 8 full-tank cleaning doses at the standard 2 fl oz dose — a two-year supply at quarterly use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemoves what bleach cannot\u003c\/strong\u003e – 35% citric acid dissolves calcium carbonate and chelates iron deposits, lifting the brown ring and white scale collar at the waterline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBleach-free, no blue dye, no fumes\u003c\/strong\u003e – Zero chlorine and zero colorants. Nothing stains grout, and there is no chemical smell when you open the lid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe for rubber components\u003c\/strong\u003e – A 30-minute contact time followed by a full flush, instead of the continuous chemical exposure a drop-in tablet creates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeptic safe and biodegradable\u003c\/strong\u003e – No hydrochloric acid and no harsh oxidizers. Every ingredient is biodegradable and safe for standard septic systems. Packaged in the USA.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHow to use:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003col style=\"line-height: 1.5;\"\u003e\n\u003cli\u003eShut the tank supply valve.\u003c\/li\u003e\n\u003cli\u003ePour in 2 fl oz of concentrate.\u003c\/li\u003e\n\u003cli\u003eLet it dwell for 30 minutes.\u003c\/li\u003e\n\u003cli\u003eReopen the valve and flush three times.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Think Crucial:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"line-height: 1.5;\"\u003e\n\u003cli\u003eUS-based, family-owned brand serving over 1,000,000 households since 2007\u003c\/li\u003e\n\u003cli\u003eReplacement parts, filters and cleaning solutions for commonly used appliances\u003c\/li\u003e\n\u003cli\u003eCustomer support available if a product does not perform as described\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e\u003c!--\np.small\n{\nline-height: 1;\n}\n--\u003e\u003c\/style\u003e\n\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"aCont\"\u003e\n\u003cp class=\"small\"\u003e\u003ci\u003e\u003cspan size=\"1\" style=\"font-size: xx-small;\"\u003e Keep out of reach of children. Avoid contact with eyes. Follow the dilution and dwell instructions above and rinse thoroughly after use. Test an inconspicuous area first if you are unsure about a surface. Think Crucial products are made in the USA.\u003c\/span\u003e\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Think Crucial","offers":[{"title":"Default Title","offer_id":46863179153605,"sku":"HH-L5KT-ES7G","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1031\/7671\/files\/B0GXBXZWF8-01.jpg?v=1788543051","url":"https:\/\/www.thinkcrucial.com\/products\/think-crucial-toilet-tank-cleaner-concentrate-35-citric-acid-8-uses-bleach-free-no-blue-dye-septic-safe-16-fl-oz","provider":"Think Crucial","version":"1.0","type":"link"}