An update on the oto, I had moved it to my quarantine tank and was treating it, it seemed to have been doing better but I found it had passed away last night.

Hi Eric, yes these would be the same otos from my previous post, these 3 have been pretty hardy up until now where the one seems to have a bacterial infection. I'll go ahead and raise the temp in the tank and start treatment with meds today, and hope it can save it. Also appreciate the invite to the ...

Here's the information for my tank:
1. Water parameters
a) Temperature range. 74-76 degrees F
b) pH. 6.8
c) GH. 30
d) KH. 40
e)Ammonia, Nitrate, Nitrite, levels. 0,0,0
f) Water change frequency 25% weekly
(Most LFS's will check your water and give a list of readings).

2. Tank set up
a) Size. 29 ...

Thanks, Eric, I'm sorry to hear about your losses, too. You're right about this, I'll learn from it and try again.

Sadly, 2 more had passed by yesterday evening after I'd gradually raised the temp to 80*F after I dosed w/melafix and then this morning the last one was gone :'(

I'm feeling like a bad fish mom now, not sure what I could have done differently, other than maybe not have added a new ornament?I'd had ...

Thank you for getting back to me, Richard!

I'll watch them more carefully, one more passed away last night so I'm down to 3 now How should I raise the temp? gradually?

1. Water parameters
a) Temperature range. 78* F
b) pH. 6.8
c) GH. 25
d) KH 80
e)Ammonia, Nitrate, Nitrite, levels. 0,0, 0
f) Water change frequency: 20-25% weekly
(Most LFS's will check your water and give a list of readings).

2. Tank set up
a) Size. 10 gal
b) Substrate. gravel + some larger ...