Seachem Sulfaplex 10gm/0.4oz Antibiotic and Anti-fungal Medication

Sulfathiazole is an effective and safe treatment for many bacterial, fungal and protozoan infestations in the aquarium. Usual dose is 250 mg per 40 L (10 gallons), but dose may be increased up to four-fold. Easily removed with carbon and does not impair nitrification. Contains sulfathiazole