The Michigan Department of Natural Resources (DNR) is urging anglers and paddlers to decontaminate their wader, watercraft and gear after didymo cells were detected in algae samples taken from the Au Sable River. In late April, Michigan Trout Unlimited, a conservation organization focused on protecting coldwater fisheries, found several didymo cells in a sample taken […] The post State agencies advise decontamination with discovery of ‘rock snot’ cells in the Au Sable River appeared first on Mic