Check and make sure that the silver can't "flake off". If the silver coating is scratched or otherwise damaged you might find bits of it floating around in your tank.
AquaC Remora Pro
140#s Live Rock from LiveRocks.com
Frogspawn, Hammer, Zoos, Leather Frag, and Xenia and Green Star Polyp frags from fishfreek and Alarmguy66, Thanks!
Member of the Unofficial A-Team