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An estimated of a 130 fish and inverts and 16 canaries.
1,662 Posts
Discussion Starter · #1 ·
Hi all. As some of you know, I am watching a friends betta. He has now developed fungus!

How many gallons is your tank? 1/2 gallons
Does it have a filter? no
Does it have a heater? no
What temperature is your tank? I don't really know. Room temp.
Does your tank have an air stone or other type of aeration? no
Does your Betta have tank mates? What kind? no

What food brand do you use? The use omega one betta buffet
Do you feed flakes or pellets? pellets
Freeze-dried? no
How often do you feed your Betta? How much? The have been feeding him 8-10 pellets every 2 days but I feed him a small portion every day.

your Betta became ill how often did you perform a water change? 1x a week
What percentage of water did you change? they do 100% water changes, I do 50%
What is the source of your water? spring
Do you vacuum the substrate or just dip out water? they dip out the water and clean the pebbles. I vacuum using a turkey baster.
What additives do you use other than conditioner? What brand of conditioner? they don't. I put in API stress guard while I am watching him.

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: 0
Nitrite: 0
Nitrate: 0-5
pH: 7.8
Hardness (GH): it is usually 25-50 but it is 300 now
Alkalinity (KH): 120

Symptoms and Treatment:
When did you first notice the symptoms? a few days ago
How has your Betta鈥檚 appearance changed? he has fungus on his fin
How has your Betta鈥檚 behavior changed? no, he's active and blowing bubble nests
Is your Betta still eating? yes
Have you started treating your Betta? If so, how? no. I need help.
Does your Betta have any history of being ill? I don't think so. He's not mine
How long have you owned your Betta? I don't know. They probably got him a few months ago
Was he or she ill or suffering some sort of damage when purchased? I don't think so

Plant Flower Flowerpot Houseplant Botany

Plant Leaf Petal Botany Organism

Water Fluid Fin Fish Liquid

An estimated of a 130 fish and inverts and 16 canaries.
1,662 Posts
Discussion Starter · #3 ·
No, just a little bit appeared. Then he got more and more.

287 Posts
Hi FishandBirdLover,

For a half gallon tank, they need to change the water every other day. There is no getting around that. The water has got to be pristine. And it would be good to have a thermometer to track the temp of that water.

I would start with a little aquarium salt, and maybe an Indian almond leaf. Or they could do an aquarium salt bath, and not add it directly to the half gallon.

If it doesn't get better, than I would suggest a methylene blue dip or two.

Or, if they have a safe net that won't mess up his slime coat, they could net him, and swab that area with a little hydrogen peroxide using a q-tip. As long as they don't get peroxide in his eyes or near his mouth or gills, he will be fine. But this takes a very, very steady hand. If the person doing this isn't prepared, they could hurt him really badly by mistake. Just a word of caution.

Hope this helps!
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