Drooping fins, lost of appetite for no reason? You fish could be poisoned.
Aspergillus general 1972 Hz!!!
aflatoxin is very common in grains, nuts, cereals and other dried food.
And for man-made heavy chain poisoning,
This toxin causes fear, anxiety and restlessness.
Then there is botulinum, also depressive with suicidal tendency (jumping fish),
There are other frequencies for botulinum on the web. Do not sound off two frequencies close together, a low beat with be created. For example playing both 683 Hz and 691 Hz will create a low beat of 8 Hz. Play frequencies at least 50 Hz apart.
May your fish be happy.
