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Thread: Is this normal?

  1. Back To Top    #1

    Join Date
    Dec 2011
    Location
    Gold Coast, Australia
    Posts
    57

    Is this normal?

    Hi all,

    I'm thinking this is just a normal consequence of not having a tile band (see pics), but thought I'd better check it's not something more sinister. This look mainly happens as the tide goes out and as you can see it's mainly limited to directly below a mortar join in the coping. If I brush the walls (or even just splash some water) up the sides it mostly disappears which is why I think it's just the plaster drying out a little more than the rest of the plaster above the water line... almost like the mortar joins are sucking the water out of the plaster. I'm just a little concerned that it might be the other way around i.e. something is bleeding out of the mortar and may leave scale? If the pool is really full it doesn't really show up due to (I assume) the capillery action of the water soaking into the plaster up to the level of the coping.

    Thanks,
    Steve.

    [attachment=0:2w7k8jdu]IMG_1677.JPG[/attachment:2w7k8jdu] [attachment=1:2w7k8jdu]IMG_1674.JPG[/attachment:2w7k8jdu]
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    37000 litre, concrete, pebble, Viron P300 pump, Hurlcon VX7T SWCG, Viron CL-400 Cartridge filter, Solar heating, Pandora Smart Robotic cleaner

  2. Back To Top    #2
    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
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    SouthWest Alabama
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    Re: Is this normal?

    I think you've hit the proverbial nail on the head! Mortar is a lot more pourous than the rest of the materials and will no doubt wick the moisture out of surrounding surfaces quicker than it will dry off the other surfaces. Take a good close look at it and if it doesn't look or feel different (other than the dryness) than the other parts I'd say you're good.
    Dave J. TFP Moderator
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  3. Back To Top    #3

    Join Date
    Dec 2011
    Location
    Gold Coast, Australia
    Posts
    57

    Is this normal?

    that's great, thanks for that. I had a good look tonight and definitely after wetting the dry spots, it looks normal after a few minutes of soak time
    37000 litre, concrete, pebble, Viron P300 pump, Hurlcon VX7T SWCG, Viron CL-400 Cartridge filter, Solar heating, Pandora Smart Robotic cleaner

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