Joel Ducoste, an industry expert and engineering professor interviewed by Sherred, suggests that smaller-scale grease traps do the job just as well with regular cleaning and maintenance.

Often, by the time we decide to clean, grease and grime have firmly settled, leading to tedious scraping and cleaning.

She agreed to a cleaning regimen that she was told would ... The lack of follow-through on grease-trap cleanings has left owner Eda Johnson feeling stifled in her ability to expand her business.