{"product_id":"aragonite-oyster-shell-flour","title":"Aragonite \/ Oyster Shell Flour","description":"\u003cp\u003e\u003cstrong\u003eAragonite\/Oyster Shell Flour\u003c\/strong\u003e — premium coral-sea calcium to fuel soil biology.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThis natural calcium source nourishes soil microbes and elevates biological activity, unlocking essential nutrients for healthier, more vigorous plants. Ideal for living organic soils, it serves as a pure, natural alternative to lime while supporting a resilient soil ecosystem. From The Soil Makers, crafted to boost nutrient availability and mineral balance across your garden, compost, or raised beds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalcium-rich formula:\u003c\/strong\u003e 97% calcium carbonate and calcium silicate combined; 33–40% available calcium for faster root development and improved uptake.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive trace minerals:\u003c\/strong\u003e includes Fe2O3, Al2O3, MgCO3, SO3, NaCl, SrO, SiO2 to support soil mineral balance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil-life compatibility:\u003c\/strong\u003e excellent as a calcium source that nourishes soil microbes, enhancing the soil food web and long-term fertility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy application:\u003c\/strong\u003e use 1–2 cups per cubic foot of soil to complement your broader nutrient and mineral regimen.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile uses:\u003c\/strong\u003e perfect for living organic soils, gardens, containers, raised beds, and even as a top layer for bocce courts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping perks:\u003c\/strong\u003e free shipping on the 45 lb option.\u003c\/li\u003e\n\u003cli\u003eWhy choose Aragonite\/Oyster Shell Flour from The Soil Makers? This specific calcium formulation supports robust microbial activity, improves nutrient access for plants, and helps maintain mineral balance in organic soil systems. Its natural composition and low magnesium profile make it an effective calcium supplement that fits seamlessly into sustainable gardening practices.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eKey specs\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct category:\u003c\/strong\u003e Home \u0026amp; Garden \u0026gt; Lawn \u0026amp; Garden \u0026gt; Gardening \u0026gt; Fertilizers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalcium content:\u003c\/strong\u003e 97% calcium carbonate and calcium silicate combined; 33–40% available calcium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinerals:\u003c\/strong\u003e Fe2O3 0.025%, Al2O3 0.15%, MgCO3 1.50%, SO3 0.20%, NaCl 1.25%, SrO 1.25%, SiO2 0.88%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse recommendation:\u003c\/strong\u003e 1–2 cups per cubic foot of soil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Aragonite \/ Oyster shell flour\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e The Soil Makers\u003c\/li\u003e\n\u003cli\u003eListed analysis: Aragonite \/ Oyster Shell 0-0-0-94 Ca; high calcium and low magnesium.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"The Soil Makers","offers":[{"title":"10 lbs","offer_id":67902659461256,"sku":"sku-1061598533","price":23.0,"currency_code":"USD","in_stock":true},{"title":"20 lbs","offer_id":67902659494024,"sku":"sku-1061599117","price":40.0,"currency_code":"USD","in_stock":true},{"title":"45 lbs","offer_id":67902659526792,"sku":"sku-12991044103","price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0717\/4648\/6408\/files\/ARAGONITEJAR.jpg?v=1794327979","url":"https:\/\/www.natesgardensupply.com\/products\/aragonite-oyster-shell-flour","provider":"Nate's Garden Supply","version":"1.0","type":"link"}