1~What type of fish is afflicted? Congo tetra
2~Ammonia- 0ppm
nitrites-0ppm
nitrates-unknown
temp- 80-82
pH- unknown
3~ How large is the tank? How long has the tank been set up?
75 gallon for 5 weeks
4~What type of filtration are you using?
Fluval FX4
5~How many fish are in the tank? What kinds of fish are they and what are their current sizes?
All growing fish
3 med angelfish
1 gold gourami
1 german blue ram
5 congo tetra
8 neon tetra
6 bronze corys
5 juli corys
6~When is the last time you did a water change and vacuum the gravel? How often do you do this? How much water do you remove at a time?
Did a 50% water change last monday
Normal schedule is 25% every monday
Vacuum gravel 2-3 times a month
7~How long have you had the fish? If the fish is new, how did you acclimate it/them?
Corys have been the newest addition
8~Have you added anything new to the tank--decor, new dechlorinator, new substrate, etc.?
Add sechem prime every water change
Moved decor around just prior
9~What kind of food have you been feeding your fish, have you changed their diet recently?
Normal food is a tropical flake with a algae tab for the corys with the occasional bloodworm