What is included in the refill kit?

The refill kit includes both silicon carbide and aluminum oxide media polish.

Which media should I use for initial tumbling stages?

The silicon carbide grit is ideal for initial tumbling stages.

Is this kit suitable for 18 LB rock tumblers only?

Yes, this kit is specifically designed for 18 LB rock tumblers.

Does the polish give the rocks a shiny wet look?

Yes, but if you have a glaze on your stones, clean off the polish and re-run with plain water and ivory soap. This will give you the wet look you are seeking.

How do I convert oz into tbsp? I have a 1 lb tumbler and it says to add 1oz of grit, how many tablespoons is that?

1 tbsp is equal to half a fluid oz. Generally, I add about 1 tbsp of grit per pound for steps 1 and 2, and half that for steps 3 and 4. Hopefully, this helps.

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MJR Tumblers

MJR Tumblers Refill Grit Kit for 18 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish

Item #:28942076

4.7 rating

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PKR 14923

Availability : Out of stock

Ships from Ubuy, Sold By : UBNA Distribution LLC

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Customer Questions & Answers

Question : What is included in the refill kit?
Answer : The refill kit includes both silicon carbide and aluminum oxide media polish.
Question : Which media should I use for initial tumbling stages?
Answer : The silicon carbide grit is ideal for initial tumbling stages.
Question : Is this kit suitable for 18 LB rock tumblers only?
Answer : Yes, this kit is specifically designed for 18 LB rock tumblers.
Question : Does the polish give the rocks a shiny wet look?
Answer : Yes, but if you have a glaze on your stones, clean off the polish and re-run with plain water and ivory soap. This will give you the wet look you are seeking.
Question : How do I convert oz into tbsp? I have a 1 lb tumbler and it says to add 1oz of grit, how many tablespoons is that?
Answer : 1 tbsp is equal to half a fluid oz. Generally, I add about 1 tbsp of grit per pound for steps 1 and 2, and half that for steps 3 and 4. Hopefully, this helps.

Customer Ratings

4.7 out of 5

197 customers ratings

5 star
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4 star
11%
3 star
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2 star
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1 star
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MJR Tumblers Refill Grit Kit for 18 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish

Customers have found the MJR Tumblers Refill Grit Kit to be effective and reasonably priced. The kit contains enough grit for multiple uses and lasts longer than other brands. Some customers have mentioned that the step 4 polish they received was a different color than expected and did not provide a polished look. Overall, the product has received positive reviews for its quality and prompt delivery.

Pros

Effective and reasonably priced
Contains enough grit for multiple uses
Lasts longer than other brands
Prompt delivery

Cons

Step 4 polish may differ in color and not provide a polished look

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MJR Tumblers Refill Grit Kit for 18 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish

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