Rock Tumbler Q&A
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How long does it take to polish the rocks in the National Geographic Rock Tumbler Kit?
Asked 3 months ago 1 answer

How do I set the falling time on the National Geographic NGTUMBLER2 Rock Tumbler?
Asked 3 months ago 1 answer

How long does it take to tumble rocks into polished gemstones?
Asked 6 months ago 1 answer
National, Geographic, Platinum Series, Rock Tumbler, User Manual

How do I set the tumbling cycles on the VEVOR KD-C1011 Direct Drive Rock Tumbler?
Asked 4 months ago 1 answer

How long does it take to polish rocks using the Leegol Electric PG-LG-002 Rock Tumbler?
Asked 3 months ago 1 answer

How do I set the timer on the National Geographic NGPROTUM5 Rock Tumbler?
Asked 3 months ago 1 answer