Eliminate odours and prevent grease buildup in your RV’s grey water holding tank with this biological treatment from Thetford. The 24-ounce bottle contains a formula designed specifically for grey water systems, breaking down grease and cleaning residues that accumulate in drains, vents, and traps over time. The formulation contains no chlorine or solvents that could damage valve seals, making it safe for all tank plumbing and completely biodegradable.

• Biological enzyme formula
• Dissolves cooking grease and cleaning residues
• Prevents grease buildup in grey water tank
• No chlorine or solvents to damage valves
• Safe for all tank plumbing components
• 100% biodegradable formulation
• 24 oz bottle