They need some trace amounts of iodine in the water. They are very sensitive to the presence of any copper in the water -- copper is poisonous to them. High CO2 levels will send them up to the surface more quickly than most fish. although levels below 40 ppm shouldn't be a problem. Thre's tons of stuff in the APD archives (http://fins.actwin.com/aquatic-plants/ ) and lots of pages on the web. Here's one good site: http://users.skynet.be/caridina-japonica/ good luck, good fun, sh --- Imw88@aol.com wrote: > Dear Group, I've read about how good certain shrimp > can eat algae without > destroying plants. I ordered several species from a site > online but > unfortunately most died and I dont know why? I've been > trying to figure out what went > wrong but I've been reading lots of conflicting > information. Does anyone here > use them to clean their tanks? If so, can you give me any > tips? Any info on > these little guys would be most appreciated. Any sites to > learn more and to buy? > If someone can separate the facts from the > fiction.Thanx-ILAN > _______________________________________________ > AGA-Member mailing list > AGA-Member@thekrib.com > http://lists.thekrib.com/mailman/listinfo/aga-member > The American Cichlid Association Annual Convention Just the biggest aquarium hobby convention of the year (would Texas have it any other way?) Ft. Worth, Texas July 21-24 http://www.aca2005.org/ _______________________________________________ AGA-Member mailing list AGA-Member@thekrib.com http://lists.thekrib.com/mailman/listinfo/aga-member