Looking for any advice possible, thanks in advance.
Brief history- Ive had my tank set up for about 4 yrs. Started with smaller community fish, and gradually added Cichlids. It is a 90 gallon tank. They all get along pretty well and have only lost one fish due to aggression.
Currently I have
4 Cichlid-Golden Severums,
1 beautiful Jack Dempsey
1 smaller Cichlid, not sure what kind
6 giant Danios
I have a good sized driftwood, a med/large coral piece, 2 live plants (onion and sword), 1 flat rock, 1 rounded rock and plastic plants.
I changed filter 1 month ago from a filter that sits on top to a Fluval 405 canister. And ever since then Ive had nothing but problems. Although the water looks crystal clear, my levels have never been the same.
Here are the levels- One morning the fish were breathing heavy. Turned out to be to much ammonia. Treated it with Top Fin ammonia remover x2, and added bio bacteria.
1 week later the numbers were
I did a water change, was due for montly anyhow, added pH up, conditioner, and bio bact. Then levels were as follows
'ates 200 still
I checked in AM, and they were no better. Added NH remover again.
Went to fish store, advice was to do weekly water change and should see improvment in months!!!! And they said "hopefully fish will make it through"
Then changed 2 carbon (there are 4 total in Fluval 405) left one old one, and added ammonia filter.
Did weekly water change today and levels were as follows after water change.
'ates 200 still
Plus it looks like 3 of Cichlids have fungus/septicemia. So, I took out carbon and added medicine.
Im so confused. Any ideas of what I should do, anything I can add/remove??
Ive never had any probs with the tank/fish. Its very frustrating. Please help