Check, Clean, Dry
Stop the spread of didymo and other freshwater pests.
Didymo (Didymosphenia geminata) is an exotic alga that invades waterways.
To prevent the spread of freshwater pests such as didymo, always Check, Clean, Dry all footwear, bicycles, vehicles, fishing equipment and other items before entering, and when moving between, waterways.
How to Check, Clean, Dry
View more information and specific cleaning guidelines on the Ministry for Primary Industries (MPI) website.
Clean, Check, Dry to help prevent the
spread of didymo and other freshwater
Check, Clean, Dry for trampers
When you are out tramping, avoid potentially spreading freshwater pests such as didymo along the way.
Follow the specific cleaning guidelines for trampers.
View information for trampers (PDF, 366K) on the MPI website.
Check, Clean, Dry for sporting event organisers
If you are organising a sporting event, you can help prevent didymo and other freshwater pests being spread by using the information developed especially for you.
View the Check, Clean, Dry information for sporting event organisers on the MPI website.
Report didymo finds
To report a suspected find of didymo, call the MPI exotic disease and pest emergency hotline: 0800 80 99 66.