how do grease trap work
Let it sit for 10 minutes. CHANGES IN THE PLUMBING CODE 2003 edition and earlier editions of the Uniform Plumbing Code UPC contained provisions for smaller grease traps located inside buildings Appendix H chapter covered large interceptors outside Appendix chapters not adopted by State of Washington and generally not by local jurisdiction.
After you do this pour 12 cup of baking soda down the drain and let it sit for 5 minutes.

. Purchase liquid cleaners to unclog your pipes. Plumber to do plumbing inside not outside 3. Follow this with a solution of 1 cup vinegar and 1 cup very hot water.
Pour one more pot of boiling water down the drain to flush away the scum that has been loosened up by the baking soda and vinegar.
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