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
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This will take you to the All Leads Report.
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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...
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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.