Originally Posted by Sena Hansler
Betta Lover - you got some nest-makers there lol!!!
Sometimes my filters do it? Stagnant water has protein deposits on top of the water and when disturbed say by movement, it can bubble it... Conditioners bubble when new... other than that I'd say it would be a nest
if you poke it and instantly disappears (pops rapidly) then it is from the filter, since bubble nest have saliva of the betta that makes it kinda sticky and some will get caught on your hand
my avi has puddles, he marbled on me
he is my beautiful purple/red marble over rosetail male