Still washing plastic....

 Washing plastic takes a very long time. Time is can be a challenge because the students did not have enough time to wash all of the plastic. As the art club teacher, I have been spending every afternoon washing rinsing and drying plastic. My art studio is small and I still must teach my classes and storage and drying space is limited. 
My process includes using soapy water in the first container, and follow with two rinse containers and an area prepared for air drying. If I had access to my studio during the weekend I would have used that time to wash and dry, but I did not. This is a very tedious and time consuming process.

Any suggestions for non-toxic cleaning products would be welcomed.