[david meyers]

I have 14 8 month old angels in a 150 g tank. All water conditions seem fine. temp.=77 ph=6.8 0 nitrates or ammonia 30% water change every 2 weeks. 2 of the silvers & 1 black refuse to eat anything & are becomming very thin. No visible signs of anything else wrong. I would like to quarintine them & treat but don't know for what. I read that internal parasites can die with high heat but low heat is needed for bacterial problems. Any suggestions will be appreciated. Thanks; Dave

 

[mistergreen]

Put them into a smaller tank where you can observe and feed them better. Try feeding them food that they'd go crazy for like frozen brine shrimps.

The internal parasite can only be treated with meds. I've never heard of the heat treatment except for ich.

 

[JRMott]

Unrelated, I'd probably increase water change frequency.

 

[jedimasterben]

Unrelated, I'd probably increase water change frequency.

This.