Well, if she shows no signs of odd boyancy or other physical changes, I would skip the salt and just go with the 50% PWCs and gravel cleaning. It might have all been caused by a nasty Amonia spike. Salt is an amazing medicine and should be kept on hand, but because bettas have a laberenth organ, we have to be very careful with it as too much salt or giving it to them for to long (most say 10 days of consecutive treatment is the max) can damage it. Just like us and our perscriptions
There are several different types of salt you can use (table salt is NOT one of them) and I have see how well they work! They can treat so many fishy problems as long as you're careful. I always do half-doses to be safe, but I'm also over cautious.
Also, yea fish poop!
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