magnetic rock

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ashley

ashley

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Does anyone know how I can make a magnetic floating rock?
 
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redfishbluefish

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Buy neodymium magnets and drill holes in the rock using a masonry bit that will easily fit the magnet. Coat the magnet in epoxy and put it in the hole. Let cure. Us a second magnet on the outside of the tank per in-tank magnet. I'd coat that magnet in epoxy as well.
 

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