Field & Stream Online Editors

Your waders or boat might be transporting whirling disease from one stream to another. The tiny spores that carry the disease, which has been decimating rainbow trout populations, are able to live outside of water for months. To solve the problem, Scott Fly Rod Company has developed a spray, called BrightWater, that kills the spores on contact. ($5.95 for an eight-ounce bottle; 800-728-7208)