Check the listing for details. API Fungus Cure 4 oz. Condition: New. Listed at 7.99 USD. FUNGUS CURE™ API® FUNGUS CURE fish remedy effectively treats fungus (Saprolegnia spp. & Achlya spp.), mouth fungus (Cotton Mouth Disease), and Fin & Tail Rot infections. Quickly controls contagious fungal infections. Helps prevent the growth of fungus on fish eggs prior to hatching. For use in freshwater aquariums. Note: This fish remedy will cause a slight discoloration of water which can be removed with activated carbon. This product is not recommended for use with invertebrates and plants as some species may be sensitive to medication. * API Diagnosing & Treating Sick Fish Chart.pdf (https://apifishcare.com/pdfs/products-us/fungus-cure/api-diagnosing-&-treating-sick-fish-chart.pdf) * 2021 API Diagnosing And Treating Sick Fish.pdf (https://apifishcare.com/pdfs/2021%20API%20Diagnosing%20and%20Treating%20Sick%20Fish_1635260789.pdf)