Seachem SulfaPlex - 10 gr. - 0.4 oz.
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
