This single drop-in packet combines toilet bowl cleaner with waste tank treatment. Place it in the bowl and watch the effervescent action work for 10 minutes before a quick swab and flush treats your tank.

Formulated with concentrated bacteria and enzymes, it eliminates odours and keeps your holding tank clean in both warm and cold conditions.

• Biological formula, formaldehyde-free
• Fresh scent odour control
• Treats up to 40-gallon tanks
• Single drop-in packet, 16-ounce package size
• Marine-rated product