zoa's melting away

[kuatto]

Zoos are funny,just when you think things are going well,they up and die.These zoos that you mentioned,are they new additions,where are they placed in the tank?If they are near the top,move them down,if they are in a fast waterflow area,try moving to a slower spot.Also check after lights out with a flashlight for any unwanted visitors like nudis(if you do find any,do a fresh water dip once or twice).Zoos are usually pretty hardy but sometimes its uncontrollable.