i have no clue what is wrong with my tank i had two oscars that died because of high amoniea and nitrites prob because he fish were not eating the food i put in anyways since then i have added all new water and set up the tank usinbg guidlines from this site and it has been a week and the amoneia is higher then it was before and there are still some nitrites presetn i have set up like 5 diff. fish tanks and never had a prob like this what is wrong with my tank?? anyone have ideas???