{"product_id":"d-2-biological-solution-mold-mildew-algae-lichen-stain-remover-for-stone-masonry-concrete-wood-more","title":"D\/2 Biological Solution – Mold, Mildew, Algae \u0026 Lichen Stain Remover for Stone, Masonry, Concrete, Wood \u0026 More","description":"\u003cp\u003e\u003cstrong\u003eD\/2 Biological Solution – Headstone, Natural Stone \u0026amp; Masonry Stain Cleaner\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRestore the appearance of stone, masonry, and architectural surfaces with D\/2 Biological Solution. This ready-to-use cleaner removes staining caused by mold, mildew, algae, lichens, and air pollutants. It is suitable for a wide range of materials, including marble, granite, limestone, travertine, concrete, brick, stucco, and wood.\u003c\/p\u003e\n\u003cp\u003eD\/2 offers two convenient cleaning methods. For faster results, allow 10–15 minutes of contact time before gently scrubbing and rinsing. For outdoor projects where gradual cleaning is preferred, apply to a dry surface and let the weather help remove staining over time. The biodegradable formula requires no mixing or dilution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRemoves biological staining:\u003c\/strong\u003e Cleans discoloration caused by mold, mildew, algae, and lichens, along with air pollutant staining.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable for natural stone:\u003c\/strong\u003e Use on marble, granite, limestone, brownstone, travertine, and other compatible architectural materials.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReady to use:\u003c\/strong\u003e Apply full strength directly from the container.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTwo cleaning options:\u003c\/strong\u003e Choose a scrub-and-rinse method or an outdoor no-scrub, no-rinse application.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBiodegradable formula:\u003c\/strong\u003e Made without bleach or acids.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile applications:\u003c\/strong\u003e Suitable for headstones, monuments, sculptures, building exteriors, and other compatible surfaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePopular Uses\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHeadstones and monuments:\u003c\/strong\u003e Remove biological staining from marble, granite, and other compatible stone memorials.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStone and masonry exteriors:\u003c\/strong\u003e Refresh stained brickwork, limestone, brownstone, concrete, and stucco.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSculptures and architectural details:\u003c\/strong\u003e Clean staining from compatible decorative stone and terra cotta.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutdoor surfaces:\u003c\/strong\u003e Treat compatible wood, vinyl and aluminum siding, and canvas affected by biological staining.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003eD\/2 Biological Solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eReady-to-use biological and air pollutant stain cleaner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAppearance\u003c\/td\u003e\n\u003ctd\u003eTransparent, nearly colorless, low-viscosity liquid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible materials\u003c\/td\u003e\n\u003ctd\u003eMarble, granite, limestone, brownstone, travertine, masonry, terra cotta, concrete, stucco, wood, canvas, vinyl and aluminum siding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilution\u003c\/td\u003e\n\u003ctd\u003eUse undiluted for best results\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical coverage\u003c\/td\u003e\n\u003ctd\u003e250–350 sq. ft. per gallon for medium deposits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrub-and-rinse contact time\u003c\/td\u003e\n\u003ctd\u003e10–15 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo-scrub results\u003c\/td\u003e\n\u003ctd\u003eTypically one week to one month, depending on deposits and weather\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication temperature\u003c\/td\u003e\n\u003ctd\u003eWorks best when air and surface temperatures are at least 45°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication tools\u003c\/td\u003e\n\u003ctd\u003eBrush, roller, hand pump sprayer, or low-pressure power sprayer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrubbing tools\u003c\/td\u003e\n\u003ctd\u003eSoft nylon or natural-bristle brush\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH\u003c\/td\u003e\n\u003ctd\u003eApproximately 9.5; SDS range: 9.0–10.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater solubility\u003c\/td\u003e\n\u003ctd\u003eCompletely soluble\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf life\u003c\/td\u003e\n\u003ctd\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eCoverage varies with surface characteristics and the amount of staining.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"1905\" height=\"748\" src=\"https:\/\/www.youtube.com\/embed\/OTNuA0V16Mc\" title=\"D\/2 Biological Solution: Stone Cleaning Before \u0026amp; After\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Instructions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eScrub-and-rinse method\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003eTest on a small, inconspicuous area before treating the entire surface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApply undiluted D\/2 with a brush, roller, or suitable sprayer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAllow 10–15 minutes of contact time, adding more product as needed to keep the surface wet.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGently scrub with a soft nylon or natural-bristle brush. Do not use a metal brush.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLightly mist with water and continue scrubbing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRinse thoroughly with clean, potable water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eOutdoor no-scrub, no-rinse method\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003eApply D\/2 to a dry surface using a brush or pump sprayer. Do not pre-wet.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAllow the surface to dry without scrubbing or rinsing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLet weathering gradually clean the surface. Results typically develop within one week to one month.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRepeat application if heavy biological deposits remain.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eHandling and Storage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWear protective gloves, clothing, and safety goggles. Avoid eye and skin contact and ingestion. Keep out of reach of children. Store tightly closed in a cool, dry, well-ventilated location away from direct sunlight and incompatible materials. If nearby plants receive excessive product exposure, rinse the plants and water the surrounding soil. Follow the product label and SDS.\u003c\/p\u003e","brand":"Bonstone","offers":[{"title":"1 Quart","offer_id":48941114687742,"sku":"BON_D2_1QT","price":30.0,"currency_code":"CAD","in_stock":true},{"title":"1 Gallon","offer_id":48941114720510,"sku":"BON_D2_1GAL","price":93.0,"currency_code":"CAD","in_stock":true},{"title":"5 Gallon Pail","offer_id":48941114753278,"sku":"BON_D2_5GAL","price":331.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1212\/5762\/files\/07511db5-64b5-4155-b7ea-a3d71d513b15.png?v=1789147472","url":"https:\/\/www.perigeedirect.com\/en-ca\/products\/d-2-biological-solution-mold-mildew-algae-lichen-stain-remover-for-stone-masonry-concrete-wood-more","provider":"Perigee Direct","version":"1.0","type":"link"}