ok so i started my tank out about a month and a half ago, up till recently i have had no problems...but in the last two weeks i have lost 3 alge eaters (replaced after one would die), 2 dalmation mollies and today after a 25% water transfer 2 neon tetras...i cant figure out why...i took my water to get tested and they said it was fine! *ALL* i found the tetras and one mollie had been stuck to the filter dead...i also noticed totay i had some sort of mold (at least it looks like mold) on the buddah statue i put in the tank, and i kind of think thats what is killing the alge eaters...any help!! PLEASE!!! thanks!