Control the Smells in Your Environment While Being Friendly to the Environment. Now biotechnology has made it possible to bottle naturally occurring plant enzymes that eliminate odors and clean the air. Because it is all natural and plant-based, PureAyre® is the only food-grade odor eliminator available, making it the safest and surest way to get rid of disgusting smells while boating or on the water. It is the only odor eliminator you should use in the galley where you might contact food. Powerful, All-Natural, and Non-Toxic Odor Eliminator PureAyre is safe to use around and on people, pets and children during all your boating and marine activities. PureAyre also removes stains.