[necessary_evil]

Originally Posted by rvitko

More often than not the magnets are not rusting, so double check before replacing-

http://www.reefcentral.com/forums/sh....php?t=2657435

This is the current model magnet used with the 9004-

https://www.tunze.com/US/en/products...id%5D=6025.512

Yep, my bad, wiped it down and looks much better. Both of my 9004 have the older model magnets.