after changing the water by 30% again right after the discovery the remaining fish recovered and since then we added 4 more . they all seemed to be doing ok
after two days.
the filter was blocked only after we came home it was working fine before we left . my wife added the same amount as usual be she did not realize she bought the pond dechlor
we cleaned and changed the water in our tank 30%. ther was a lot of algea on the walls . when we came back the filter was blocked and about 4 fish died. mostly african chiclids. one was a peakcock blue ice barb and jewel. this was about 5hours after the change. my wife did put the wrong stress...