Authorities say it's likely the bright green substance, believed to be non-toxic, made its way into the river via a nearby drain. People are being urged to steer clear until its source is confirmed.
Despite being paid $20million by the two supermarket giants to recycle plastic bags and other items for nearly a decade, REDcycle instead stored a mountain of waste at at least 44 sites.
REDcycle collapsed with $5 million in debts, as more plastic stockpiles are found theage.com.au - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from theage.com.au Daily Mail and Mail on Sunday newspapers.