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Author Topic: Drain Smells  (Read 4051 times)

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elvisfan

Drain Smells
« on: November 19, 2012 »
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  • I am new to the message board and new to Los Gigantes and loving it apart from one thing. Since the rain our drains have stunk. Can any one give me any advice. I have cleaned all the drains in the flat and cleaned  the grill out side the flat door. Nothing is blocked but the smell is awful. I put the hose down the outside one yesterday and for a while it was ok but again this morning the smell is back. Would be grateful to hear about how anyone else deals with this

    Offline Tanemera

    • Juan Tanemera
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    Re: Drain Smells
    « Reply #1 on: November 19, 2012 »
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  • Try a bottle of the drain cleaner they sell in the ferrateria (hardware shop) on the left along the side street opposite the post office.  This is powerfull acid and should clear out any nasties.  But be VERY careful.  Wear protective clothing, stand back and pour a very little down at a time.  Leave for a few minutes then flush thoroughly with water.

    Offline Edward Bear

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    • Location: Santiago del Teide
    Re: Drain Smells
    « Reply #2 on: November 19, 2012 »
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  • The whole drainage system from Varadero to LG is disgusting and not fit for purpose. However Santiago county has no money to rectify.

    elvisfan

    Re: Drain Smells
    « Reply #3 on: November 19, 2012 »
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  • thank you Tanemera, have taken your advice and bought and put down the drain cleaner, smells ok  at the moment, will see how it goes. Thank you for your help

    elvisfan

    Re: Drain Smells
    « Reply #4 on: November 20, 2012 »
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  • right that did not work, can any one recommend someone who will come and sort out drains. I am getting desperate !!

    Offline Tanemera

    • Juan Tanemera
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    Re: Drain Smells
    « Reply #5 on: November 20, 2012 »
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  • OK, the drain cleaner worked short term but the smell has come back.  This suggests to me that you have no traps in your drains.  These isolate your drains from the main drain and "trap" a quantity of water which allows water to drain past but smells (and bugs) are prevented from coming back up.  It's the same principal as a toilet bowl and if you have ever had the misfortune to let one of these go dry you will recognise the smell as being the one you are experiencing now.  You need to get a plumber or builder to fit traps.  They only cost a few euros and it should be a fairly easy job and with any luck should not damage the surrounding tiles.  I'm not a plumber but, from what you have said, this sounds to me like the solution.

    elvisfan

    Re: Drain Smells
    « Reply #6 on: November 20, 2012 »
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  • thankyou. I think from what you are saying I have traps that must have gone wrong or failed as we did not have a problem till the heavy rain and I have been putting fresh water down the drain every week when I do my housework. Any one know a plumber that could fit new traps for me

    Offline Falstaff

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    Re: Drain Smells
    « Reply #7 on: November 20, 2012 »
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  • Interesting to read that the problem started with heavy rain.  If there was no smell before the heavy rain it seems highly likely that there are functioning traps in the system which have been disrupted by a  vacuum created by a large downward flow of water.

    The following advice was offered  in the past when a similar problem was raised here. I suspect that a large flow of rain water  may have sucked out some traps.

    “There is a basic valve in any domestic systems called an S or U bend which is designed to be permanently filled with water to prevent back seepage of fumes to the bathroom. In places which are high above sea level which have too great a fall (or inadequate venting systems) S bends can be sucked out by a sudden rush of waste allowing fumes to be leaked to the atmosphere. When this happens the simple solution is to run water to fill up all the S bends in the bathroom (sinks baths and toilets) to reseal the system. If the smell is coming from an outside grid, do the same there.”

    Is the smell inside the flat or outside? 

    Are  neighbouring  properties  having the same problem or is it just your flat? It may be  worthwhile knocking on doors to find out the extent of the problem. It could  be the case that the smell is coming from an   unoccupied neighbouring property.   If there are nearby unoccupied flats you could try pouring a bucket of water down their outside grids.

    There is also a possibility that the stack vent (sticking up at the very top of the building)  may be obstructed. This could cause  a vacuum when toilets are flushed which sucks out water from your traps
    « Last Edit: November 20, 2012 by Falstaff »

    elvisfan

    Re: Drain Smells
    « Reply #8 on: November 20, 2012 »
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  • the smell is coming from the drain outside the flat but drifting into the flat when the toilet is flushed

    Offline Tanemera

    • Juan Tanemera
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    Re: Drain Smells
    « Reply #9 on: November 20, 2012 »
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  • Then that sounds like Falstaff suggests - the water rushing past the outside drain when you flush may be sucking the water out of the trap in the outside drain.  This could be caused (again as Falstaff wisely suggests) by a blocked vent pipe on the roof.  I do know a couple of plumbers but they are always very busy and I guess you don't want to wait six months.  Maybe a neighbour can suggest someone in your location.