Who Gives A Fish Forums

I've got a pretty established tank going on - my betta's 2.5 years old, my nerite snail's almost 1.5, and my Cory catfish is under a year (thinking of rehoming him soon). They're all living it up in my 20-gallon aquarium.

Recently, my betta went through a rough patch - she lost vision in one eye ...

I posted about the fin-tanked betta I got from a pet store yesterday, and I was worried about the pale coloring on his fins and lips. Now I've got even more reason to worry - my tank had an ammonia spike today.

I noticed the little guy swimming erratically earlier, so I tested for ammonia and ...

I was thinking maybe he's dealing with parasites or something, since he's underweight and now having trouble eating. What's the color of his poop, do you know? I've read that if it's white and stringy, that's a sign of parasites, which could be causing him to lose weight.

Do you have a bottle of BettaFix anywhere near the tank? My mom once grabbed the wrong thing and put BettaFix in my brother's tank by mistake, and it didn't end well for his betta. I'm worried that might have happened to you too.

Also, I want to ask, is there a little solid stuff on the cap of the ...