Remove grease buildup in your gray water tank, sink and shower drain lines with this newly reformulated treatment. Only four ounces per 40 gallons eliminates foul odors, thus leaving a clean, fresh lemon scent. Removes grease buildup in your gray water tank, sink and shower drain lines Eliminates odors Newly reformulated treatment 32 oz Only four ounces per 40 gallons eliminates foul odors Fresh lemon scent