So I'm about 95% sure my poor little guy's got fin rot
When I took him out to change his water and clean his tank, I noticed that his fins were really chewed up. He had gorgeous red fins that were blue at the tips, and all of the blue is gone. He hasn't been biting his fins (and there's no one else to bite them), and his plants are silk so I'm pretty sure they aren't tearing his fins. The only thing that's making me question it is that he hasn't been moving any slower or seemed to be in pain, which I thought was typical with fin rot. Does this sound like an accurate diagnosis to you guys?
Anyway, I read up (you guys rock, yet again!) and got some aquarium salt and Melafix. I'm a little bit confused by the dosing instructions. They say the dose is 1 tsp. per 10 US gallons, and for an injured fish to dose for 7 days, then do a 25% water change. Does this mean I should add 1 tsp. per 10 gallons every day for seven days, or should I add 1 tsp. per 10 gallons, leave it be for seven days, and then do the water change? I don't want the poor guy to stroke out because I gave him too much Melafix, but I don't want to give him too little and have him not get any better. Can someone clear this up for me?