man, bad luck...flatworms adn now this...do snails eat it? and if so do they end up dead? Have you tried a queen conch, mine devours everything green and filamentous in my tank...pretty impressive actually
and quite a character...i ove him to where i want him to eat...i think he has learned that i move him to the prime spots, he doesnt even get scared of me anymore...anyway thats a long winded way of saying check one out