and, except for a very slight decrease in activity at these extremes, they have apparently suffered no ill effects. Thursday, 5 October Some fungus on sword plant and around eedge of aquarium. Other large plant has help fine filaments of fungus trailing from the edges of all its leaves. I cleaned it in salt water but all plants have some evidences of fungus. (algae? - greenish tint when wiped off with kleinox). Used prescribed dosage of Fungistop. But fungus still (Shio Lata) coming back: appears to be on all plants. Fish seem to be healthy, however. No evidence of fungus on them. Cleaned filter. 1600hrs More fungistop added - filters turned off - left off few night. changed to microfilter. 6 October one fish found dead in aquarium. Can only see five live fish - two of which are quite stationary - one of these, especially, seldom moves at all but just lies on the gravel - breathing slow. Feed fish 2-3 times a day w/ good