The best replacement for fin rot is nipping.

The best alternatives to fin rot are rated as following:
★★★★★  nipping
★★★  tail biting
★★  white spot
★  ich
★  ammonia burn
★  tail rot
  ick

Your alternative for fin rot is not listed? Suggest!
Speaking about fin rot, one probably shouldn't forget about goldfish.

Other search terms related to fin rot and their ratings are:
★★★★★ goldfish
★★★ bettas
★★ fighting fish
You have in mind a companion for fin rot and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of fin rot in all years. Click on graph for more.
fin rot
nipping
tail biting