Identifying a Fin Problem

[dvdrew]

Could someone please identify these fin issues?

1. Rose Red with white spots on the left pectoral fin and tail fin.

2. SFR with white spot / raised bump on left pectoral fin.

There are 8 discus in the tank, only 2 have spots. The white spots have been bigger and sometimes looked like fungus. Have treated for fungus and white spot, both have not removed it completely.

Bare bottom tank with 100% water change daily.

[swifto]

Could b ich,I would increase temp to 34 for 2 weeks & treat as such,some other members may have better idea as I've never had this.

[ILLUSN]

mine used to get that from time to time but it seemed to go awy on its own with a water change and a bit of salt (1tsp/40L)

[Woodsie]

I've had this on mine, I found with increased temp and high wc it clears itself up

[dvdrew]

I had raised the temp and used salt without success. This has been like this for 4 weeks+
Interesting to note is where these things sit on the fin. I am not up to date on fish anatomy however the lumps are always on those 'channels' and always on the same side of the fin