Blue Marble
National Geographic grit, ceramic media and GemFoam kit
Media-only bundle includes grit, ceramic filler and separate GemFoam.
Price info
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Use and fit
Choose this kit if you already have stones and want both the abrasive stages and the brand’s finishing accessories. The ceramic cylinders help fill gaps in compatible barrels. GemFoam has its own step in the supplied instructions, so check the guide before adding it to a grit run.
Specifications
- Brand
- Blue Marble
- Listed model
- NGFOMCERGRIT
- Verified detail
- Media-only bundle includes grit, ceramic filler and separate GemFoam.
Questions before buying
When do I use the GemFoam pieces?
Follow the separate GemFoam instructions after the abrasive stages. The ceramic pieces have a different role as filler during suitable tumbling stages.
Compare before you buy
Choose the bulk grit-only refill if you already have both accessories. National Geographic four-stage bulk grit refill