betta sick?

Hello Anyone that may be able to help me out. I am new here so I do apologize. My male half moon betta, Bubblegums fins are starting to change colour, not drastically but I just noticed after cleaning his tank. I’m concerned it may either be fin rot however I have heard it may be growing fins...

Hi my name is Jessica and I have my Male Delta Tail Betta JJ. I purchased him from Petco roughly a year ago. I upgraded him into a 5 gallon tank with heater and full filter system about 5 months into having him. I keep a clean tank and feed him blood worms along with color formula pellets...