1. Jan 28, 2008 #1
   

   hopper75

   36

   Ratings:

   +0 / 0 / -0

   I have had a durso standpipe installed in my 90 for around 6 mos. and recently it seems to be flushing constantly. There is a hole in the top cap with an airline and valve connected to regulate the water level. That has been working great with regular maintenance but the last week or so I can't get the water to level out. Any advise?
   Brian

    
2. Jan 28, 2008 #2
   

   Travis Well-Known ReefKeeper

   648

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   Sounds like the valve or airline have crud in them. Try flushing them out or replacing them.

    
3. Jan 29, 2008 #3
   

   hopper75

   36

   Ratings:

   +0 / 0 / -0

   I have already cleaned and replaced both the airline and valve, still had the same problem.

    
4. Jan 29, 2008 #4
   

   slovan Experienced Reefkeeper

   1,834

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   +0 / 0 / -0

   Does the end of the drain going into the sump happen to be submerged? If it is, it could cause backpressure and create the flushing that you are experiencing.

    

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