http://yedda.com/questions/home_improvement_eric_stromer_186535791811482/?src=rss:qb:qbsIn my downstairs washroom, I can see a small black ...en-ushttp://static1.yeddacdn.com/images/Logo132X46_rmt9c1d22d.jpghttp://yedda.com/questions/home_improvement_eric_stromer_186535791811482/?src=rss:qb:qbsIn my downstairs washroom, I can see a small black ...http://yedda.com/questions/home_improvement_eric_stromer_186535791811482/?src=rss:qb:qbi<p>In my downstairs washroom, I can see a small black spot on the ceiling. This spot is surrounded by a larger circle I think is from the soil stack to the upstairs washroom toilet. How can i be sure of what it is and what should i do now?</p>charlescharles57questionSat, 10 Oct 2009 18:43:06 GMThttp://yedda.com/questions/home_improvement_eric_stromer_186535791811482/?src=rss:qb:qbihttp://yedda.com/questions/home_improvement_eric_stromer_186535791811482/Cut_ceiling_open_look_slow_leak_951079891452384?src=rss:qb:qbi<p>Cut the ceiling open and look for a slow leak from the stack.</p>Leon HallLeon Hall79answer3.0Sat, 10 Oct 2009 21:24:14 GMThttp://yedda.com/questions/home_improvement_eric_stromer_186535791811482/Cut_ceiling_open_look_slow_leak_951079891452384?src=rss:qb:qbi