Walco Seed Cleaning is a mobile on-farm operation giving farmers the best quality service based in South Australia.In 2001, Kurt Walter started his seed grading career by learning from the best in the business, Ian Sanders from Sanders Seed Cleaners When Ian retired, Kurt and his partner Merey Colquhoun started up Walco Seed Cleaning in 2005 and created a diverse business in the seed cleaning industry within South Australia.