Pre-package soluble packet that breaks down waste, controls odors, & lubricates valves & seals.

• Works in black & grey tanks
• Closable zipper top & seal
• 1 sachet per waste holding tank
• Sachet completely dissolves in water
• Lasts for at least 1 week
• Lubricates toilets & valves
• Biogegradable
• Convenient to use & easy to store
• 15 sachets