The Puffer Forum

I do not think there were recent changes in my parameters. I do not have a test for nitrate, but I don't think it should be high since I am doing weekly water changes. I prepare new water by dechlorinating tap water and then adding the salt. When it's well mixed I check the specific gravity before I...

I have a F8 puffer that I bought recently. I have had it for about a month. Recently, the puffer has been displaying unusual behavior. He often looks lethargic and sits on the bottom of the tank. His tail fin is almost always clamped. I have been feeding the puffer frozen brine shrimp and mussels. I...