Pioneer Pet Nature's Miracle Urine Destroyer Plus for Dogs RefillAccidents happen, as every dog owner knows. Natures Miracle Urine Destroyer Plus for dogs is an enzymatic formula thats tough on dog urine and the yellow, sticky residue it leaves behind. The easy to use squeeze bottle makes cleanup a breeze. The bacteria based formula produces enzymes when it comes into contact with a food source like pet urine. This enzymatic cleaner continues working as long as the food source is present to break down and power out