Black Tank

Directions for Treatment: Fill your toilet with approximately 1 gallon (full bowl) of water, then sprinkle & stir one scoop of Happy Campers and IMMEDIATELY flush. For hot climates and tanks over 40 gallons, repeat the above and then add two more gallons of water. IMPORTANT: Never add more than one scoop to approximately 1 gallon of water. Simply adding more water will improve your tank functions. Read More

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