{"title":"Build Your Own Grit Pack","description":"\u003cp\u003eWe believe things should be simple. Which is why we've decided to let you choose your own grit pack bundle and get a discount along with it. We have a couple of pre-made\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/polishedrocks.co.uk\/collections\/rock-tumbling-grit\" target=\"_self\"\u003erock tumbling grit\u003c\/a\u003e\u003cspan\u003e bundle \u003c\/span\u003eoptions, but if what you're looking for is a selection of products not already available as a bundle, then you can make your own here. \u003c\/p\u003e\n\u003cp\u003eAll bundles require a minimum of three items, but you can choose any three and of any quantity. Plus, you'll get 10% discount! \u003c\/p\u003e","products":[{"product_id":"f80-grade-silicon-carbide-grit","title":"F80 Rock Tumbling Grit - Silicon Carbide","description":"\u003cp\u003eF80 grade silicon carbide is used for the first stage of rock tumbling, therefore the grains are the most coarse. F80 is great at removing significant surface imperfections and shaping rough rocks into smoother forms.\u003c\/p\u003e\n\u003cp\u003eF80 can be aggressive and may not be suitable for softer or delicate rocks. If you're unsure, we'd suggest testing on a small sample before tumbling your entire batch. However, this shouldn't be the case for any rough rock we supply as everything is checked and certified to be used for rock tumbling specifically.\u003c\/p\u003e\n\u003cp\u003eThis is the stage 1 grit that we include in all of our grit packs.\u003c\/p\u003e","brand":"Polished Rocks","offers":[{"title":"200g","offer_id":51203290267985,"sku":"PR018-200","price":6.0,"currency_code":"GBP","in_stock":true},{"title":"500g","offer_id":51203290300753,"sku":"PR018-500","price":10.0,"currency_code":"GBP","in_stock":true},{"title":"1kg","offer_id":51203290333521,"sku":"PR018-1000","price":16.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/1747\/9249\/files\/F80.png?v=1767258750"},{"product_id":"f220-grade-silicon-carbide-grit","title":"F220 Rock Tumbling Grit - Silicon Carbide","description":"\u003cp\u003eF220 silicon carbide, a step finer than F80, bridges the gap between initial grinding and more precise polishing in rock tumbling. Its medium-grained profile effectively refines surfaces after the rough shaping stage, preparing them for a high-shine finish.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eWhen using F220, ensure rocks are clean and free of grit residue from the initial tumbling stage. F220 is one of our most popular grits, along with F80 and F400, both of which make up our beginner grit pack, along with pumice polish powder.\u003c\/p\u003e","brand":"Polished Rocks","offers":[{"title":"200g","offer_id":51203299869009,"sku":"PR015-200","price":6.0,"currency_code":"GBP","in_stock":true},{"title":"500g","offer_id":51203299901777,"sku":"PR015-500","price":10.0,"currency_code":"GBP","in_stock":true},{"title":"1kg","offer_id":51203299934545,"sku":"PR015-1000","price":16.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/1747\/9249\/files\/F220.png?v=1767258524"},{"product_id":"f400-grade-silicon-carbide-grit","title":"F400 Rock Tumbling Grit - Silicon Carbide","description":"\u003cp\u003eF400 silicon carbide is the third stage in the tumbling process. Its fine-grained profile gently removes microscopic scratches and imperfections left by previous stages, paving the way for a mirror-like shine.\u003c\/p\u003e\n\u003cp\u003eUse F400 after rocks have been thoroughly smoothed and pre-polished with medium grits like F220. Ensure rocks are clean and free of residue. \u003c\/p\u003e\n\u003cp\u003eF400 is included with our beginner and complete grit packs. \u003c\/p\u003e","brand":"Polished Rocks","offers":[{"title":"200g","offer_id":51203328049489,"sku":"PR016-200","price":8.0,"currency_code":"GBP","in_stock":true},{"title":"500g","offer_id":51203328082257,"sku":"PR016-500","price":13.0,"currency_code":"GBP","in_stock":true},{"title":"1kg","offer_id":51203328115025,"sku":"PR016-1000","price":22.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/1747\/9249\/files\/F400.png?v=1767258206"},{"product_id":"f600-grade-silicon-carbide-grit","title":"F600 Rock Tumbling Grit - Silicon Carbide","description":"\u003cp\u003eF600 is our stage four silicon carbide. This grade of grit is ideal for stubborn scratches or marks that are left by F400, but likely won't be cleaned up by the polishing stage. \u003c\/p\u003e\n\u003cp\u003eF600 isn't always necessary, which is why we don't include it in our beginner pack, but do offer it in the complete pack. For someone just getting started, it's not essential. However, if you want exceptional results right from the start, then adding in an F600 grit stage to your tumbling process will help you achieve them. \u003c\/p\u003e","brand":"Polished Rocks","offers":[{"title":"200g","offer_id":51203343712593,"sku":"PR017-200","price":10.0,"currency_code":"GBP","in_stock":true},{"title":"500g","offer_id":51203343745361,"sku":"PR017-500","price":20.0,"currency_code":"GBP","in_stock":true},{"title":"1kg","offer_id":51203343778129,"sku":"PR017-1000","price":35.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/1747\/9249\/files\/F600_4704bf5a-5f67-4044-87d6-84725fe5bd2e.png?v=1767264048"},{"product_id":"pumice-polishing-powder-final-stage-polish","title":"Pumice Powder - Rock Tumbling Polish","description":"\u003cp\u003ePumice powder is a fine, non-abrasive volcanic ash adds a gentle touch to the final stage, removing the faintest scratches and leaving a soft, satin-like finish. \u003c\/p\u003e\n\u003cp\u003eUse pumice powder after your rocks have been smoothed and pre-polished with fine grits like F400 or F600. Ensure rocks are clean and free of grit residue.\u003c\/p\u003e\n\u003cp\u003eWe recommend pumice powder for hobby tumbling which is why it's included in our beginner grit pack. \u003c\/p\u003e","brand":"Polished Rocks","offers":[{"title":"200g","offer_id":51203369107793,"sku":"PR019-200","price":7.0,"currency_code":"GBP","in_stock":true},{"title":"500g","offer_id":51203369140561,"sku":"PR019-500","price":12.0,"currency_code":"GBP","in_stock":true},{"title":"1kg","offer_id":51203369173329,"sku":"PR019-1000","price":20.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/1747\/9249\/files\/Pumice_deb9c771-4562-4479-8aa4-3f381d717dc1.png?v=1767264123"},{"product_id":"cerium-oxide-polishing-powder-final-stage-polish","title":"Cerium Oxide - Rock Tumbling Polish","description":"\u003cp\u003eCerium Oxide is used for the best results and greatest shine, therefore it is the most expensive polish we stock. It's essential when using any polish that you make sure your rocks are free of grit and have been thoroughly cleaned first. \u003c\/p\u003e\n\u003cp\u003eFor rotary tumblers, using two tablespoons should be enough to give you an exceptional shine on your rocks. Whether you're using agate, jasper, quartz or any other rock, cerium oxide will give fantastic final stage results. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote\u003c\/strong\u003e: Cerium oxide can be messy. Wear gloves and eye protection during use.\u003c\/p\u003e","brand":"Polished Rocks","offers":[{"title":"100g","offer_id":51203383918929,"sku":"PR012-100","price":9.0,"currency_code":"GBP","in_stock":true},{"title":"200g","offer_id":51203383951697,"sku":"PR012-200","price":14.0,"currency_code":"GBP","in_stock":false},{"title":"500g","offer_id":51203383984465,"sku":"PR012-500","price":26.0,"currency_code":"GBP","in_stock":true},{"title":"1kg","offer_id":51203384017233,"sku":"PR012-1000","price":45.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/1747\/9249\/files\/Cerium.png?v=1767257757"},{"product_id":"12-000-grade-aluminium-oxide-rock-tumbling-polish","title":"12,000 Grade Aluminium Oxide - Rock Tumbling Polish","description":"\u003cp\u003eAchieve a mirror-like finish on your gemstones, minerals, and lapidary projects with our premium 12,000-grade aluminium oxide polish. Engineered for the final stage of rock tumbling, this ultra-fine powder delivers exceptional smoothness and high-gloss shine on a wide variety of stones.\u003c\/p\u003e\n\u003cp\u003eFor rotary tumblers, using two tablespoons should be enough to give you an exceptional shine on your rocks. Whether you're using agate, jasper, quartz or any other rock, cerium oxide will give fantastic final stage results. \u003c\/p\u003e","brand":"Polished Rocks","offers":[{"title":"100g","offer_id":54289343086929,"sku":"PR023-100","price":10.0,"currency_code":"GBP","in_stock":true},{"title":"200g","offer_id":52387345858897,"sku":"PR023-200","price":18.0,"currency_code":"GBP","in_stock":true},{"title":"500g","offer_id":52387345891665,"sku":"PR023-500","price":35.0,"currency_code":"GBP","in_stock":false},{"title":"1kg","offer_id":52387345924433,"sku":"PR023-1000","price":50.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/1747\/9249\/files\/Untitleddesign.png?v=1763632130"},{"product_id":"f1200-rock-tumbling-grit-silicon-carbide","title":"F1200 Rock Tumbling Grit - Silicon Carbide","description":"\u003cp\u003eF1200 is the finest grade of silicon carbide we offer, often used as a pre-polish step to remove any very fine scratches and prepare the rocks for the final stage polish. \u003c\/p\u003e\n\u003cp\u003eThis grit is also available as part of our '\u003ca href=\"https:\/\/polishedrocks.co.uk\/a\/bundles\/grit-pack-bundle-fky8\"\u003eBuild Your Own\u003c\/a\u003e' bundle which gives you flexibility on the grit you buy and provides a discount on top. \u003c\/p\u003e","brand":"Polished Rocks","offers":[{"title":"100g","offer_id":52710869401937,"sku":"PR033-100","price":8.0,"currency_code":"GBP","in_stock":true},{"title":"200g","offer_id":52710869434705,"sku":"PR033-200","price":14.0,"currency_code":"GBP","in_stock":true},{"title":"500g","offer_id":52710869467473,"sku":"PR033-500","price":30.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/1747\/9249\/files\/1000047357.jpg?v=1767085121"}],"url":"https:\/\/polishedrocks.co.uk\/collections\/build-your-own-grit-pack.oembed","provider":"Polished Rocks","version":"1.0","type":"link"}