Camco 41577 TST Ultra-Concentrated 30 Pack - Max Strength

Camco's TST Lemon Drop-Ins help control unwanted odors and break down waste and tissue in your black water holding tank. These easy-to-use drop-Ins contain a blend of lavender-scented surfactant oils that trap unwanted odors in your tank, making your camping experience more enjoyable. TST Lavender is RV and marine approved, does not contain formaldehyde, pesticides or biocides and is safe for all septic tanks. It's even great for portable camping toilets!.