my darling dd put a whole tub if catfish pellets in tank yesterday didn't get removed til this morning all removed 80% wc this morning but have still lost one clown loach and other two struggling all fish are now in a bucket in kitchen with an air pump going with fresh treated water I'm going to strip tank out fresh water and clean the lot but leave filter runnjng. am I doing the right thing? help [sad] [sad] [sad]