I left my tanks for 5 days. I asked my Mum to look after the fish, they were all perfectly ok when I left, but when I rang home Mum said that about 10 had died then when I returned 16 had died, 4 Corrys, 4 Guppy's, 3 three thread fin rainbows. Wierdly the Platties did not suffer at all. My chinease Algea eater has survived, but his eyes have a puss like substance on them and I am certain that it cannot see as he used to shoot back to his hidey hole as soon as there was any movement, now (I know this is inpractical) when you tap on the glass he shoots off knocking into everything including the tank sides often heads on collisions. two questions. Does anyone know what this was? and What do you suggest for the future of the Chinese Algea eater? everything seems to be settled apart from the blinded Algea Eater.