Bathroom sink drain’s very slow! Home › Forums › Public Forums › General Plumbing › Bathroom sink drain’s very slow! This topic has 2 replies, 3 voices, and was last updated 22 years, 7 months ago by turdchaser. Viewing 2 reply threads Author Posts 13 Mar 2004 at 4:54 pm #277191 Dave MattocksMember Replaced sink and cabinet won’t drain (takes a few hours), old sink drained fine, no clog’s no leaks.Any ideas would be appreciated. 13 Mar 2004 at 11:52 pm #295673 DUNBARParticipant Sounds like the drain you attached to with the new sink had gunk in it, and dried up during replacement. I would use a small snake and open the drain. “Your best interest is secured by making the right decisions the first time.” 14 Mar 2004 at 2:44 pm #295674 turdchaserParticipant Also make sure you do not push the trap arm all the way to the back of the pipe it fits into. Author Posts Viewing 2 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In