Using cement on waterfall

Discussion in 'Introductions' started by Budgie66, Oct 17, 2017.

  1. Budgie66

    Budgie66

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    Hi all I'm bit confused as to wether it's safe to use cement over a liner on a waterfall as I hear that it contains lime in it wich could leech into pond and create problems
    Any advice please
     
    Budgie66, Oct 17, 2017
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  2. Budgie66

    Gemma

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    smhello.gif welcome to the group
    Some people say cement/concrete raises ph, some say it doesn't, it really depends who you're talking to
    I was told the same thing in the beginning, so I removed all the concrete pots I had in the pond, but then nothing happened, the ph didn't get lower so I put them all back and I haven't had any problems
     
    Gemma, Oct 17, 2017
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  3. Budgie66

    Budgie66

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    Budgie66, Oct 17, 2017
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  4. Budgie66

    Budgie66

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    Hi there thanks for you're advice last thing I need is poorly fish I think I will go for cement over liner on waterfall
     
    Budgie66, Oct 17, 2017
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  5. Budgie66

    IPA

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    Mostly lime contains calcium so it will only raise the KH which would of course raise the pH to a stabilized value. I don't believe it will raise the KH to a level that it should be, about 8 alkalinity or higher; I guess it depends how much is exposed but I don't think it is much either way.
     
    IPA, Oct 17, 2017
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  6. Budgie66

    Gemma

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    I'd worry more over the cement ripping the liner than anything else
    oh and can we see pics?
    You could make a showcase so we can follow your project :)
     
    Gemma, Oct 17, 2017
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  7. Budgie66

    Budgie66

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    Yeh I plan to post piccys eventually have taken loads from project start
     
    Budgie66, Oct 18, 2017
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  8. Budgie66

    Gemma

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    Cool!
     
    Gemma, Oct 18, 2017
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  9. Budgie66

    sissy sissy

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    One reason cement on waterfall can be bad is if you get a leak and have to break up cement .It has been brought up on here several times .It leaks and becomes a nightmare to take apart
     
    sissy, Oct 18, 2017
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  10. Budgie66

    j.w I Love my Goldies

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    j.w, Oct 18, 2017
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  11. Budgie66

    CometKeith

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    Hi and welcome! If you use Portland cement which is the most popular cement product then everything will be fine and there will be no chance of leaching lime. Some people actually build liner free ponds just out of cement without any problems.
     
    CometKeith, Oct 19, 2017
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  12. Budgie66

    addy1 water gardener / gold fish and shubunkins Moderator

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    Welcome to our group!
     
    addy1, Oct 19, 2017
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  13. Budgie66

    Meyer Jordan Tadpole

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    The use on concrete (cement) in constructing the waterfall is not a problem as long as you allow it to 'cure' the proper amount of time....at least 28 days.
     
    Meyer Jordan, Oct 19, 2017
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