Is there a plumbers dye?

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by DIYourselfer, Oct 26, 2010.

  1. DIYourselfer

    DIYourselfer New Member

    Messages:
    17
    Location:
    New York
    Trying to find a leak in bathroom. Is there a dye that the pros use that won't stain a tub? If I use a dye in the tub water then I will know when I see the dyed water on the unfinished ceiling below that it is probably the drain, not the pipes or mixing valve.

    Thanks!!!
  2. Basement_Lurker

    Basement_Lurker One who lurks

    Messages:
    668
    Location:
    Victoria, BC
    Food colouring will do fine.
  3. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    27,255
    Location:
    Cave Creek, Arizona
    If the leak stops, then it is NOT the pipes. There are easier ways to isolate whether it is the valve or drain, and a plumber would know how to do it.
  4. SacCity

    SacCity In the Trades

    Messages:
    189
    Location:
    Sacramento, CA
    To check for leaks in toilets, specifically flapper valves I generally use food coloring.
    I would be hesitant to use dies in other locations.
    Michael
  5. LLigetfa

    LLigetfa DIYer, not in the trades

    Messages:
    4,185
    Location:
    NW Ontario, Canada
    I remember many years ago, the septic field police were going around to homes and flushing a packet of dye down the toilet. Then they would walk around the property looking for the dye to break to the surface or enter a stream.
  6. SacCity

    SacCity In the Trades

    Messages:
    189
    Location:
    Sacramento, CA
    Marina's do the same thing with boats, throw a die packet into the holding tank so they can fine anyone who pumps overboard!
  7. cacher_chick

    cacher_chick Test, Don't Guess!

    Messages:
    3,279
    Location:
    Land of Cheese
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