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Diane Frese
Reviewed in the United States on May 15, 2025
MJR always delivers the best grit for my rock tumbling. It was delivered quickly, just a few days, and is always free shipping and packaged well.
james aiello
Reviewed in the United States on March 14, 2025
Great product quick delivery
Long Gone Dave
Reviewed in the United States on February 25, 2025
Works great for sea glass.
kevin pratt
Reviewed in the United States on April 9, 2025
ordered it got it the next day
Bob
Reviewed in the United States on July 19, 2024
very usable
Chaosdsm
Reviewed in the United States on March 29, 2024
Purchased this, and the 4-step refill kit for 15lbs of rocks.... I thought from the photos that there would be nice labels on the bags to tell the different grits apart easily.NOT SO... just a small clear label with small text (cannot read from 5 feet, even with glasses) and a qr code. By sight this looks exactly the same as the 60/90 step 1 grit from the other kit. I don't want to get the two grits confused as there's a huge difference in how much they cut.... SO I will have to make my own labels.Other than that, seems to be a good product.EDIT: ran a 4-day tumble on step 1 with Nat Geo tumbler on speed 3 with this grit. Not any more effective than a 48 hour tumble, grit breaks down pretty quickly, and by day 4, once the grit was washed and dried, it feels about the same as 400 grit and only about 1/3 of it remaining, rest was broken up small enough to wash away with the rinse. Gonna try it again on speed 1 & see if that makes a difference in how long it lasts.
Lynn
Reviewed in the United States on November 5, 2024
Does a good job on rocks with small pits and cracks in your rock tumbler 🥃.
Lisa
Reviewed in the United States on October 21, 2024
Works like it's supposed to, easy to use, good quality of grit, rocks look good after stage 1 polish. I will purchase this again as well as stage 2 and 3 grits.
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