Controls black tank odors with a versatile liquid formula.

Citra-Fresh brings the same trusted performance of Walex black tank deodorizers in a convenient, easy-to-pour liquid. Designed to start acting immediately to control black tank odors, this citrus-infused formula is perfect for RVers who want precise control over dosing.

With no biocides and no formaldehyde, Citra-Fresh is a clean, eco-friendly choice for keeping your black holding tank fresh and fully functional—all while adding a refreshing citrus scent to your RV bathroom.

FEATURES
- Controls odors for up to 7 days: Keeps your black tank smelling clean and fresh between dumps.
- Starts acting immediately: Unlike bacterial formulas that take days to start working, Citra-Fresh controls odors right away.
- Fresh citrus fragrance: Leaves behind a pleasant, clean scent without being overpowering.
- Liquid format for adjustable dosing: Ideal for RVers who want more control or prefer liquids over drop-ins.
- Biocide-free and formaldehyde-free: Safe for RV plumbing, septic tanks, and environmentally sensitive areas.

INSTRUCTIONS FOR USE
Black tank: Add 60ml for up to 150lt. Add adequate water – 5lt for every 38lt of tank capacity. Adding an extra 60-120ml of Citra-Fresh is safe if desired.
Grey Tank: Add 60ml of Citra-Fresh down the sink drain and follow with 5 seconds of water.