Thanks. Does this mean I'm starting my cycle all over again?You neeed to go to the pet store and get an ammonia chelator product, that will inactivate the ammonia. Then massive ******* water change. 80%, repeat. 20% takes out only 1/5 of the problem, then the next 20% takes out only 1/5 of that problem. AKA two 20% water changes only removes 24% of the ammonia.