Fish Going Downhill Quickly!

[lilfishie]

This is the fish around dinner time today for comparison

Tank size: 125L
pH: 6.5
ammonia:0
nitrite:0
nitrate:40
kH:n/a
gH:n/a
tank temp: 26

Fish Symptoms (include full description including lesion, color, location, fish behavior):fish loose colour and then very quickly it looks as if something is eating away at there face there eyes appear sunken, become very lifeless and then die, all within an hour or so, 2 of my bettas have already passed and the 3rd isn't looking good

Volume and Frequency of water changes: roughly 30% weekly

Chemical Additives or Media in your tank: added some finrot and fungus meds as there was a few nipped tails

Tank inhabitants: now 3 bettas (including the ill one), 8 swordtails, 7 cories and a ram

Recent additions to your tank (living or decoration): added 5 swords and 3 cories

Exposure to chemicals: not that i know of

Digital photo (include if possible): best i can get, you can just see the white patch over her mouth

now the only way i could seperate her would be in a plastic tub with no filter or heater

 

[guppi]

Found this symptoms on the net

The Nasty Fungal Infection

Betta has white cottony like patches on its body or head. He may be less active, may have stopped eating, fins may be clumped, color may be pale.

 

[lilfishie]

that sounds like it, does it say anything about a cure? i still got 2 bettas in there

just searched it and need meth blue chucked a bottle a month back cause i hadn't needed it, guess i will have to get some tomorrow and hope for the best with the remaining 2