1) Filstar XP4 and this method is working great. threw liverock that had died out into the tank w/ a little new lr to seed it... and haven't have so much as a blip of amonia. filstar 4 maintenance is easy as pie.

2) Richard, go to your magazine rack, open a CORAL magazine, read the article on the frozen foods - VIBRIO bacteria found in a top american brand, though they won't say which one. I wonder if your wife could take samples of the food you guys carry and do lab work on it to see if the food transmitted the pathogen?