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Discussion Starter · #1 ·
Hello helpful souls!

We have persistent problems with what i think is fin rot. We have treated him with antibiotics since Tuesday this week (4 days today) but he seem to get worse. I really hope we can help him, because he has a great character, is very responsive and playful, and made his way to become "family" with us :)

How many gallons is your tank? 5 gal.
Does it have a filter? yes.
Does it have a heater? no, we live in a tropical climate.
What temperature is your tank? 29C.
Does your tank have an air stone or other type of aeration? yes.
Does your Betta have tank mates? What kind? none.

What food brand do you use? Optimum
Do you feed flakes or pellets? pellets.
Freeze-dried? no.
How often do you feed your Betta? How much? 2 time / day, 3-4 micro pellets.

your Betta became ill how often did you perform a water change? 1/w.
What percentage of water did you change? 30%.
What is the source of your water? tap.
Do you vacuum the substrate or just dip out water? yes.
What additives do you use other than conditioner? What brand of conditioner? API.

Water Parameters:
What are your water parameters? Please give exact numbers. If tested by pet store please get exact numbers. "Fine" or "Safe" won't help us help you. Important: Test your water before the regular water change; not after one.

Ammonia: 0ppm
Nitrite: 0ppm
Nitrate: Somewhere between 0 and 5ppm, hard to judge by the colors in the test (API chemical test)
pH: 7.8 to 8.0
Hardness (GH): unknown
Alkalinity (KH): unknown

Symptoms and Treatment:
When did you first notice the symptoms? A few weeks ago
How has your Betta’s appearance changed? Yes, for the worse.
How has your Betta’s behavior changed? Not much, he is active and very playful, always swims to the glass when we approach the tank. His fins seem to be harder to move so he have a harder time to swim now, but he's a fighter and trying.
Is your Betta still eating? Yes. We occasionally feed him mosquito larvas and he chase and eat them and seem to love it. He is "speeded" long after he have consumed them and trying to find more.
Have you started treating your Betta? If so, how? Yes, We started treatment Tuesday (4 days ago) with Seachem KanaPlex, as recommended by a local vendor. The last dose of treatment is today (one dose every second day as per instruction on the container).
Does your Betta have any history of being ill? We suspected pop-eye and posted som images here, but i think no one could decide if it was pop-eye or not (Diagnose red patch and possible pop-eye)
How long have you owned your Betta? A few months.
Was he or she ill or suffering some sort of damage when purchased? No.

He is changing color in a raging tempo.

Botany Purple Organism Fin Beak

Marine invertebrates Underwater Marine biology Fish Fish supply

Pollinator Beak Organism Tail Feather

Purple Plant Pet supply Fish Beak

Azure Beak Natural material Purple Feather

SIP Flash, you beautiful boy!!!
1,235 Posts

Beautiful betta boy you got there!!!

It looks like his dorsal fin is ripped, rather than having fin rot. It happens when they flare sometimes. Is there anything in the tank that he might have gotten caught on or behind? Bettas love to squeeze into places that they just shouldn't be (it's a character flaw, lol!). It takes time for fins to heal; his fins won't get better in just 4 days of dosing meds. When you see some translucent tissue start to appear, that is his healing.

He may be nipping his own caudal fin, too. It looks like bite sized chunks are missing. When bettas reach maturity, this happens sometimes. Long finned bettas will also nip their own fins out of frustration at having to pull those large, heavy fins around the tank. Sometimes they grow out of it, but sometimes they never do. (If you see him swimming in tight circles, that is an example of nipping behavior).

The best thing to do at this point is to do small water changes every other day. You can change out a gallon of water every other day with little effort. Pristine water goes a long way in guarding against illnesses. You can also add some Indian almond leaves (catappa leaves), drift wood (that is treated), or rooibos tea to the tank if you don't already have botanicals that release tannins in his tank. It (the tannins) will tint the water brown, but bettas love it! It will add some low level antibacterial and antifungal properties to the tank which can help with the problem at hand. It also helps to reduce stress.

I hope this helps!!! :) He really is beautiful!
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