There are a few signs of worms such as being lethargic, clamped fins or looking generally irritated, but the most obvious sign is when the fish becomes very this but is still eating as it normally would, if this happens then it is most likely intestinal worms.

For use in seawater, tropical freshwater and coldwater aquaria. However do NOT use in aquariums containing crustaceans, echinoderms, rays, seawater sharks, piranha, sturgeon, sterlets or related species.

Sterazin is a 10 day course, dose the aquarium with 20ml for every 200 liters of aquarium water, then repeat the dosage on days 1,3,6,8, and 10 to complete the treatment.