{"product_id":"zero-purple","title":"Zero Purple Liquid Stain Remover","description":"\u003cp\u003eDeep-penetrating stain remover for absorbent natural stone. \u003cstrong\u003eTenax Zero Purple\u003c\/strong\u003e is a water-based active chlorine solution engineered for removing existing stains from absorbent natural stone surfaces — marble, granite, and select rough-finish ceramic — while helping prevent new spots and shading from forming. Non-aggressive on polished natural stone finishes when used as directed. Apply by roller or brush, allow to dwell 30–60 minutes, then rinse thoroughly.\u003c\/p\u003e\n\n\u003cp\u003eCoverage: approximately 160–270 sq. ft. per liter. Store below 77°F.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚠️ Important:\u003c\/strong\u003e Contains active chlorine. Avoid contact with metals and certain plastics. Not recommended for onyx or other alkali-sensitive materials. Always test on a small hidden area first.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDeep-penetrating stain removal on absorbent natural stone\u003c\/li\u003e\n\u003cli\u003eHelps prevent new spotting and shading after treatment\u003c\/li\u003e\n\u003cli\u003eNon-aggressive on polished marble and granite when used as directed\u003c\/li\u003e\n\u003cli\u003eWater-based active chlorine formula\u003c\/li\u003e\n\u003cli\u003eCoverage: 160–270 sq. ft. per liter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Surfaces\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMarble and granite (primary application)\u003c\/li\u003e\n\u003cli\u003eSelect rough-finish ceramic stoneware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot recommended for:\u003c\/strong\u003e onyx, alabaster, or other alkali-sensitive stone\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the surface is clean before application\u003c\/li\u003e\n\u003cli\u003eApply evenly using a roller or paint brush\u003c\/li\u003e\n\u003cli\u003eAllow to dwell for 30–60 minutes\u003c\/li\u003e\n\u003cli\u003eRinse thoroughly with water\u003c\/li\u003e\n\u003cli\u003eRepeat with longer contact time if stains remain\u003c\/li\u003e\n\u003cli\u003eAlways test on a small hidden area first\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWorks Well With\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tenax-brioaction-3-professional-stain-remover\"\u003eBrioAction 3 Professional Stain Remover — for mold, algae, and atmospheric buildup before or after Zero Purple treatment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sealer-wax-remover\"\u003eSealer \u0026amp; Wax Remover — strip old sealer before stain treatment for better penetration\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tenax-ager-stone-enhancing-sealer\"\u003eTenax Ager — seal and enhance stone after stain removal\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/skudo\"\u003eSkudo Stone Sealer — clear impregnating sealer to protect stone after treatment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tenax-rust-remover-liquid\"\u003eTenax Rust Remover Liquid — for rust stains on unpolished stone\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProToolHaus – Your Certified Tenax USA Distributor\u003c\/h2\u003e\n\u003cp\u003eWhen you buy from ProToolHaus, you’re ordering from a certified distributor of Tenax USA. We carry the full lineup and stand behind every product with expert guidance, fast fulfillment, and the kind of support that only comes from working in the stone industry every day.\u003c\/p\u003e","brand":"Tenax USA","offers":[{"title":"Default Title","offer_id":51164331868384,"sku":"1MAAZEROPURPLE","price":22.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/3943\/1904\/files\/1MAAZEROPURPLE-2.jpg?v=1774356530","url":"https:\/\/protoolhaus.com\/products\/zero-purple","provider":"Pro Tool Haus","version":"1.0","type":"link"}