Help! Damaged fin?

[Filsby]

http://imgur.com/544Ehu3,3gxPmK0,S7...pJ,PuMn5n7,U2Rm57O,VpxlWiD,1LbHqmm,6UW0aFy#10

These are pictures of my Flowerhorns left pectoral fin. Sorry for the poor quality, it's hard to get pictures when it's constantly moving!

I've just noticed what looks like a red lump? on my flowerhorns fin. I am thinking that he just damaged it somehow and it will heal in a couple days, but just wanted to see what everyone else thought.
Water parameters:
Temp: 28C
Tank Size: 75g w/ 25g Sump
Ammonia: 0ppm
Nitrites: 0ppm
Nitrates: 5ppm

 

[kingpyron]

Should be fine add some aquarium salt and monitor a few days. Melafix is also a good recovery med. Keep oxygen levels going while using melafix

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