Ceramic Magnets

[elton092982]

Anybody know if these are reef safe ? Got a few power heads that I glued these on to hold them up . Not sure if they will rust and harm things .

Magnet Source 1.875 in. L X .875 in. W Black Block Magnets 3 lb. pull 2 pc - Ace Hardware

This 2-pack of rectangle shaped blocks is perfect for do-it-yourself projects and making your own magnets.Glue to the back of any light to medium weight item and place on refrigerators, lockers, white boards or any ferrous metal surface. Perfect for home, school and office. * * More About...

www.acehardware.com

 

[jamesdong009]

There might be a copper coating underneath. If there is, it'll cause problems for your tank. FWIW, I use these:

D37x6mm N42 Plastic Coated Disc Magnet - Discs - Magnet Shapes

37mm dia. x 6mm thick Neodymium Disc Magnet - NdFeB N42 - ABS Plastic Coated - Magnetized through 6mm thickness

www.gaussboys.com