Scrubbing Leads in LeadsPedia means returning Leads to Affiliates. The payout for returned leads to affiliates will always be $0.00.
From the Main Menu, Go to Leads -> All Leads
This will take you to the All Leads Report.
Select the leads you want to scrub by clicking on the check box next to the lead.
From the All Leads Report Toolbar, Click Scrub...
Scrub Reason: Select the Scrub Reason. If the dropdown is empty, you can add Scrub Reasons by going to Settings -> Lists -> Lead Return / Scrub Reasons from the Main Menu.
Click Scrub Leads.