Reground Home / Reground How Reground Works 1. We provide your office the office coffee machine and with a Reground bin or Reground bags, into which you empty your knockbox or store your chaff or plastics. 2. We replace your bin or bags on a consistent basis, depending on how fast they fill up. 3. We take waste resource to community gardens and home gardeners or local plastics recyclers who put the waste to positive use.