If a grease interceptor just isn't adequately mounted or preserved it will never do its position! For your own assurance, DEP necessitates that only certified plumbers install grease interceptors. Reassembly and tests: When cleaned and inspected, the grease trap is reassembled and tested to ensure right operating. Use a plunger: https://best-noise-cancelling-ear95162.myparisblog.com/33407284/rumored-buzz-on-cooking-oil-collection