LF Magnetic Frag disks

[hillegom]

I wrote KJ and they responded right away. kudos to them
Here are two links which would help us make frag shelves. The first one with a max load table.
Second with a formula

http://www.kjmagnetics.com/blog.asp?p=aquarium

http://www.kjmagnetics.com/pdfs/aquariumshelf.pdf