Mr Fix It Plumbing 4320 Atlantic Ave #230, Long Beach, CA 90807 (562) 988-2454 http://www.mrfixitplumbing.com/ Over time, this particles builds up into a blockage that both fully or partially obscures the drain, slowing it or stopping entirely. Although you may be tempted to try a kind of perhaps-damaging drain https://madbookmarks.com/story18180879/not-known-details-about-long-beach-plumber