{"title":"Grit","description":null,"products":[{"product_id":"refill-rock-tumbling-kit","title":"Grit and Polish Kit","description":"\u003ch2\u003eThe \"Mirror-Finish\" Secret - Just the Essentials\u003c\/h2\u003e\n\u003cp\u003eAlready have your tumbler, media, and tools? Upgrade your results with the \u003cstrong\u003egold standard abrasives\u003c\/strong\u003e that hobbyists usually struggle to find. This refill kit strips away the hardware and focuses entirely on what matters most: \u003cstrong\u003ethe science of the shine\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Tumbling Essentials","offers":[{"title":"400g of each grit + 200g polish (in reusable containers)","offer_id":53028613521745,"sku":null,"price":35.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1015\/4000\/4177\/files\/1780619914869.png?v=1780619945"},{"product_id":"f80-silicon-carbide-grit","title":"F80 Silicon Carbide Grit","description":"\u003ch2\u003eAggressive shaping power for raw stones\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eStage 1\u003c\/strong\u003e is where the real transformation happens. \u003cstrong\u003eCoarse F80 grit \u003c\/strong\u003eis the driving force of rock tumbling - it does the heavy lifting required to \u003cstrong\u003eknock down sharp edges, round off rough corners\u003c\/strong\u003e and \u003cstrong\u003egrind away imperfections\u003c\/strong\u003e from raw, unpolished stones.\u003c\/p\u003e\n\u003cp\u003eSilicon Carbide is \u003cstrong\u003einexpensive\u003c\/strong\u003e and \u003cstrong\u003eincredibly versatile\u003c\/strong\u003e, making it suitable for a wide range of minerals and rocks. It is most notably the best choice for hard minerals rated 7 or higher on the Mohs scale, such as \u003cstrong\u003equartz, agate, jasper, flint and petrified wood, \u003c\/strong\u003ewhich are classic choices for rock tumbling, particularly when starting out. 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