Non-toxic treatment cleans sensors in your black-water and gray-water tank. Sensor cleaner also helps correct tank gauge readings. Eight ounces treats up to 40-gallon tank.

This liquid treatment cleans your RV or boat's waste tank sensors to restore accurate readings. Biodegradable formula is safe for all septic tanks. 32 Ounces provide 8 treatments for a 40-gallon tank. For use in black-water and gray-water tanks.