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Blue Marble National Geographic (Bulk Grit Media) - Rock Tumbler Grit - 1.5kgs Rock Polishing Grit Media, Works with any Rock Tumbler, Rock Polisher, Stone Polisher, Polishes 8-4.5kg of Rocks
Product ID: 256324920
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📦1.5kg bulk silicon carbide grit
🔄Compatible with all rock tumblers
⚙️4-stage precision grit system
Frequently Bought Together
Description
✨ Transform Rough Rocks into Polished Gems Like a Pro! ⚙️
- STEM APPROVED FUN - High-quality grit that turns rock tumbling into an educational, hands-on experience.
- UNIVERSAL COMPATIBILITY - Works seamlessly with any rock tumbler, including National Geographic’s own.
- USER FRIENDLY PACKAGING - Wide-mouth, screw-top containers make measuring and storing effortless.
- BULK SUPPLY FOR BIG PROJECTS - 1.5kg of premium grit polishes up to 10 lbs of stones—never run out mid-tumble.
- 4 STAGE ROCK TUMBLING MASTERY - From rough shaping to mirror polish, every step covered flawlessly.
The Blue Marble National Geographic Bulk Grit Media is a 1.5kg silicon carbide grit kit designed for all rock tumblers. Featuring a precise 4-stage grit system, it polishes up to 8-10 lbs of rocks, gems, and glass with ease. Packaged in convenient screw-top containers, it’s perfect for hobbyists and STEM learners seeking professional-quality results.
Specifications
| Product Dimensions | 13.97 x 13.97 x 10.8 cm; 1.78 kg |
| Manufacturer recommended age | 8 years and up |
| Item model number | NGBULKGRIT |
| Educational Objective(s) | Learn About Rock Tumbling |
| Language: | English |
| Number of Game Players | 1 |
| Assembly Required | No |
| Batteries Required? | No |
| Batteries Included? | No |
| tech_spec_battery_description_toys | No batteries required |
| Material Type(s) | glass, glass quartz glass carbide |
| Remote Control Included? | No |
| Radio Control Suitability | home |
| Color | Black |
| Language | English |
| ASIN | B01MRKI4W0 |
Have a Question? See What Others Asked
How many oz is in each container?
I just opened this and finished with grit one, went to put grit 2 in and bottle open and 1/2 full. How do I contact seller?
Can it be used together ?
After each step for the rocks in the kit, my rocks dry with a dull white finish. It doesn't show when it is wet. Am I doing something wrong?
Common Questions
Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.
Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.
Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.
Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.
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