Velvet (common)
Interpet (for fries, treat as per normal, maybe start with lower dosage)
White Spot (uncommon)
Ocean Free
Hanging at surface staring at sky, not eating (will led to dropsy)
Interpet, ocean free anti internal bacteria, herbal anti bacteria
Finrot (very common)
Yellow Powder, methylene blue (interpet)
Swimming difficulty, floating, or cannot swim down
Epsom salt (laxative), anti swim bladder interpet
Dropsy, popping/ protruding scale, bloated
Be prepared for the worst.
(Latest: Lam Hong Bottle Yellow Powder + more salt + Anti internal bacteria (Interpet) and Ketapang leaves +epsom salt)
Constipation
Salt, anti internal bacteria, epsom salt (laxative)
Fungus on body
Green medication (malachite green) or methylene blue.
Cloudy eye/ Pop eye
Anti internal bacteria and salt
In all situation use salt. therefore in normal daily water change dun add salt. Ketapang leaves can help too, in fact, help a lot.
Dosage of med, according to instructions or trial and error.
Disclaimer
If anything happen to yr fish not my fault! This is what i have learned and known. So any problem just refer to this and no need to sms me anymore lo. I also dun have to feel bad about not smsing back due to $ constraint.
Claimer: If cured, treat me to kopi or buy fish from me at my next open house, hehe
if you really need to cull maybe this would help
euthanasia
http://www.bettasrus.com/disease/euthanasia.htm