Originally Posted by Thunderloon
simply protein scum, aeration will get it out. If you have an algae scrubbing pad for the tank you can "net" the scum out with it.
It is probably from the food.
If you're using tetra's water treatment with that aloe and stuff it is much more likely to form than usual.
What's your tank info BTW (long form)?
I use API's betta water conditioner with Aloe and Green tea extract, does that count?
What size is your tank? 5g
What temperature is your tank? 78
Does your tank have a filter? yea
Does your tank have an air stone or other type of aeration? no
Is your tank heated? yea
What tank mates does your betta fish live with? 0
What type of food do you feed your betta fish? 4 different kinds
How often do you feed your betta fish? everyday, he never eats but is still alive, who knows
How often do you perform a water change? 25% every 3 days
What percentage of the water do you change when you perform a water change? ^
What type of additives do you add to the water when you perform a water change? API + salt
Have you tested your water? If so, what are the following parameters? dont feel like it
Symptoms and Treatment
How has your betta fish's appearance changed? None
How has your betta fish's behavior changed? none
When did you start noticing the symptoms? a few days ago, but its just the water surface
Have you started treating your fish? If so, how?
Does your fish have any history of being ill?
How old is your fish (approximately)? idk