TST Orange Power Holding Tank Drop-Ins provide convenient, mess-free treatment for RV and boat holding tanks. Each pre-measured drop-in treats one 40-gallon holding tank - just drop one in to control odors, break down waste, and leave a fresh citrus scent. No measuring or mixing required.

• No measuring - drop one treatment directly into a 40-gallon holding tank
• Harnesses the power of natural citrus to stop odors fast
• Breaks down waste and tissue for easier tank emptying
• Fresh citrus scent keeps the holding area smelling clean
• Environmentally safe formula
• 15 treatments per bag - enough for a full season of use