{"product_id":"rock-tumbling-grit-stage-3-fine-600-grit-silicon-carbide","title":"Rock Tumbling Grit - Stage 3 Fine 600 Grit - Silicon Carbide","description":"\u003cp\u003eOur \u003cstrong\u003e600 grit silicon carbide\u003c\/strong\u003e is a \u003cstrong\u003eStage 3 fine tumbling grit for tumblers\u003c\/strong\u003e, used after Stage 2 medium grit to remove the smaller scratches left behind in earlier stages, further refine the surface of the stones, and prepare them for pre-polish and final polish. If you want stones that are starting to feel truly smooth and ready for the finishing stages, this is the step that gets them there.\u003c\/p\u003e\n\u003cp\u003eA good polish does not come from medium grit alone. Stage 3 is where the stones begin to take on the smooth, even surface needed for a clean final finish.\u003c\/p\u003e\n\u003ch3\u003eWhat Stage 3 Grit Does\u003c\/h3\u003e\n\u003cp\u003eStage 3 is the fine smoothing stage. This grit helps:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRemove the smaller scratches left by Stage 2 medium grit\u003c\/li\u003e\n\u003cli\u003eSmooth and refine the surface to a much finer finish\u003c\/li\u003e\n\u003cli\u003ePrepare stones for pre-polish and final polish\u003c\/li\u003e\n\u003cli\u003eImprove surface consistency before the finishing stages\u003c\/li\u003e\n\u003cli\u003eHelp prevent leftover scratches from showing up in the final polish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis stage is what bridges the gap between medium smoothing and the final finishing process. If you move on too soon, fine scratches from earlier stages can still carry through and reduce the quality of the final polish.\u003c\/p\u003e\n\u003ch3\u003eBest For\u003c\/h3\u003e\n\u003cp\u003eUse this grit when you want to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMove on from Stage 2 after the rocks are evenly smoothed\u003c\/li\u003e\n\u003cli\u003eRefine stones before pre-polish and final polish\u003c\/li\u003e\n\u003cli\u003eRemove the finer scratches left by medium grit\u003c\/li\u003e\n\u003cli\u003eImprove surface smoothness before the finishing stages\u003c\/li\u003e\n\u003cli\u003ePrepare a batch for a cleaner, brighter final result\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNot For\u003c\/h3\u003e\n\u003cp\u003eThis grit is not for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInitial shaping of rough rock\u003c\/li\u003e\n\u003cli\u003eRemoving heavy rind or deep weathering\u003c\/li\u003e\n\u003cli\u003eCorrecting major pits, cracks, or sharp edges\u003c\/li\u003e\n\u003cli\u003eFinal polishing\u003c\/li\u003e\n\u003cli\u003eQuick shine improvement without earlier stages\u003c\/li\u003e\n\u003cli\u003eVibratory finishing stages\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf your rocks still show deep scratches, uneven surfaces, sharp edges, or major flaws, they usually need more time in Stage 1 or Stage 2 before moving to this grit.\u003c\/p\u003e\n\u003ch3\u003eUse With Rotary or Vibratory Tumblers\u003c\/h3\u003e\n\u003cp\u003eThis grit can be used in both rotary and vibratory tumblers.\u003c\/p\u003e\n\u003cp\u003eIf you are working through a full tumbling cycle, this is the third step before moving on to pre-polish and final polish.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHow to Use It\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eFor most rotary tumbler batches:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMake sure the rocks are fully cleaned after Stage 2 before starting Stage 3\u003c\/li\u003e\n\u003cli\u003eFill the barrel about \u003cstrong\u003e2\/3 to 3\/4 full\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdd about \u003cstrong\u003e1 tablespoon of grit per pound of rock\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdd water until it is just visible among the top layer of stones\u003c\/li\u003e\n\u003cli\u003eRun the batch, then inspect the stones before moving to the next stage\u003c\/li\u003e\n\u003cli\u003eAt this stage \u003cstrong\u003eusing ceramic media to help fill the barrel\u003c\/strong\u003e can be helpful\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBefore advancing, the rocks should feel very smooth and should no longer show the fine grinding marks left by earlier stages.\u003c\/p\u003e\n\u003ch3\u003eHow Much Do You Need?\u003c\/h3\u003e\n\u003cp\u003eThe right size depends on how often you tumble and how many batches you run.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSample - 2 oz:\u003c\/strong\u003e good for testing or very small batches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall Bottle - 8 oz:\u003c\/strong\u003e good starter size for occasional tumbling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium Bottle - 16 oz\u003c\/strong\u003e: a solid all-around size for regular hobby use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Tub - 32 oz \/ 3 lb:\u003c\/strong\u003e good value for frequent tumbling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Bag - 10 lb or 25 lb:\u003c\/strong\u003e ideal for heavy use, repeat batches, clubs, classrooms, or serious hobbyists\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Fine Grit Matters\u003c\/h3\u003e\n\u003cp\u003eStage 3 is what refines the stones enough for the finishing stages to work properly.\u003c\/p\u003e\n\u003cp\u003eIf you skip it, or rush through it, scratches from the earlier stages can remain in the stones and show up later when you expected a smooth pre-polish surface. Pre-polish and final polish work best when the stones have already been thoroughly refined.\u003c\/p\u003e","brand":"Rocks Canada","offers":[{"title":"Sample - 2 oz - 0.15 lb","offer_id":43753405317185,"sku":"RC-GRIT-600SC-02OZ","price":5.95,"currency_code":"CAD","in_stock":true},{"title":"Small Bottle - 8 oz - 0.75 lb","offer_id":43753405349953,"sku":"RC-GRIT-600SC-08OZ","price":15.95,"currency_code":"CAD","in_stock":true},{"title":"Medium Bottle - 16 oz - 1.5 lb","offer_id":43753405382721,"sku":"RC-GRIT-600SC-16OZ","price":22.95,"currency_code":"CAD","in_stock":true},{"title":"Large Tub - 32 oz - 3 lb","offer_id":43753405415489,"sku":"RC-GRIT-600SC-32OZ","price":37.95,"currency_code":"CAD","in_stock":true},{"title":"Bulk Bag - 10 lb","offer_id":43753405448257,"sku":"RC-GRIT-600SC-10LB","price":73.95,"currency_code":"CAD","in_stock":true},{"title":"Bulk Bag - 25 lb","offer_id":43753405481025,"sku":"RC-GRIT-600SC-25LB","price":165.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/6400\/9537\/files\/3lb_320333d8-7f3a-4a92-8c49-f81de3e1bcf5.png?v=1775671015","url":"https:\/\/rockscanada.ca\/products\/rock-tumbling-grit-stage-3-fine-600-grit-silicon-carbide","provider":"Rocks Canada by All-Star Telescope","version":"1.0","type":"link"}