First order of buisness is to do some PWC
`s. Ammonia needs to be 0 and nitrite close to 0. Secondly you need to find the cause of ammonia. Whether it`s overfeeding or tap water or something died. It could be that your tank is cycling now if you did not cycle. Thirdly, An anenome should never be in a tank under a yr old IMo
. Too many parameter swings like you are experiencing now. Hope it works out.