BTF Iodophor No-Rinse Sanitizer - 4 oz Concentrated SolutionBTF Iodophor is a professional grade, no rinse sanitizer that utilizes the power of iodine to eliminate bacteria, yeast, and mold. This concentrated 4 oz bottle is perfect for homebrewers and small batch fermenters. It is low foaming, odorless, and tasteless when properly diluted, and its amber color provides a visual indicator of activitywhen the color fades, the sanitizing power is gone. Essential for sanitizing fermenters, bottles, and kegs.