This is a question with answer options. Goal: How do you treat Camallanus Worms in the aquarium?

Which of the following methods is more reasonable for accomplishing this goal?

Select from:
[+] Camallanus worms are a very difficult parasite to treat, mostly because by the time you know you have an infestation, you have already spread it to all your fish and it is too late. To treat camallanus worms, first does with levamisole, a dewormed formulated for farm animals. Then, does the tank with fenbendazole. Repeat for 5-7 days, do a water change and thorough gravel vac and repeat..
[+] Camallanus worms are a very difficult parasite to treat, mostly because by the time you know you have an infestation, you have already spread it to all your fish and it is too late. To treat camallanus worms, first does with levamisole, a dewormed formulated for farm animals. Then, does the tank with fenbendazole. Repeat for 5-7 minutes, do a water change and thorough gravel vac and repeat.....I think the answer is
Camallanus worms are a very difficult parasite to treat, mostly because by the time you know you have an infestation, you have already spread it to all your fish and it is too late. To treat camallanus worms, first does with levamisole, a dewormed formulated for farm animals. Then, does the tank with fenbendazole. Repeat for 5-7 days, do a water change and thorough gravel vac and repeat.