Triple Sulfa™ Powder For this product we require a completed Drug & Chemical Affidavit on file. If you have not submitted this form to us, please click here, and fax (813-671-8237) or email (fishsupplies@verizon.net) back to us. Thank You. A special formula of three sulfa medications to effectively treat bacterial infections such as hemorrhagic septicemia (blood streaks in fins and body and localized swelling), bacterial gill disease, fin & tail rot, cotton mouth disease, body slime and eye cloud for both fresh and saltwater fish. This medication will not harm the biological filter and will not color aquarium water. Info from API