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  • 2 Post By Catt Mandu
  • 1 Post By ksriramkumar
  • 1 Post By arwan
  • 1 Post By Catt Mandu
  • 1 Post By Turtlynne
  • 1 Post By k_andreev

Using rain water for orchids

This is a discussion on Using rain water for orchids within the General Orchid Culture forums, part of the Orchid Culture category; I have seen use of rain water to wash out fertilizer salts mentioned in several ...

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  1. #1
    Turtlynne's Avatar
    Turtlynne is offline Junior Member
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    Default Using rain water for orchids

    I have seen use of rain water to wash out fertilizer salts mentioned in several places - how often? and is this really safe with pollution etc. and could there be disease-to-plants pathogens in it? any particular guidelines to collecting the rain?(or just use old clean bucket) It sounds very natural but we are not in the 'rain forest'....

  2. #2
    Catt Mandu's Avatar
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    Unless you are in an area with serious air pollution (meaning you need a filter mask outdoors).your local rain water should be fine. Don't worry about rain as a disease pathway. In the wild orchids are rained on all the time. You can collect rain water in any clean plastic container. Rain collected from a downspout from your home's gutter system should be fine too.

    I store rain in clean containers such as plastic milk jugs that have been washed and rinsed first.
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    ksriramkumar is offline Senior Member
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    Concur with Catt_Mandu. In their natural habitat, all orchids get is rain water and I have seen a tremendous improvement in growth and resistance of orchids with rain water. no worries about pathogens if you store rain water in a closed container. use a mosquito dunk if you keep it in open container.

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    arwan is offline Senior Member
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    I agree with the suggestions above. I use to collect rain water for my plants too.
    But if you have a newly painted roof then let the rain water drain off for a few weeks before u start collecting it again.
    I've seen bad effects on the plants from rain water collected from a newly painted roof, maybe due to some chemicals in the paint.
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    Arwan, sometimes paint contains chemicals to resist algae growth, possibly that is a problem? Also, rules on paint in India may be different from my country regarding the metals that paint may contain (in the United States, we used to allow lead in our paint, for example; that has been discontinued).

    A painted roof is rare in the United States though; it might not be a problem for Turtlynne, the original poster. Your warning is a good one for countries where a painted roof is more common.

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    Thank you all for the great support - and info!

  7. #7
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    In California ,they have some regulation for the pain that very safe.my husband always make joke for this law that you can drink the paint here.
    For me I collect the rain for my plants and orchid to save water bill.i repair my roof shingle with asphalt so the water has some color from it.it safe for the plants but I'm not sure for the orchid.only use rain water from another gutter

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