Frag rack magnets?

[om84]

Where is the cheapest place to get magnets for DIY frag racks? Obviously has to be reef safe without me having to do anything...

Thanks

 

[kawicivic]

I've heard of people using these:

http://www.kjmagnetics.com/proddetail.asp?prod=BX084PC-BLK

I have no personal experience with them though.

 

[johnike]

http://www.mcmaster.com/