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Trying semi-hydro for three orchid plants

This is a discussion on Trying semi-hydro for three orchid plants within the Semi Hydro / Lights / Greenhouses / Accessories forums, part of the Orchid Culture category; That is beautiful tot my eyes. I love clear plastic containers. I go to my ...

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  1. #31
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    That is beautiful tot my eyes. I love clear plastic containers. I go to my local grocery store and the deli will give me all sizes I need for free. Yours is a great idea as well. I am such a novice here, I would not even think of the clear bottles too. Thank you for sharing.
    Karen

    BOY I WISH LIVED IN HAWAII
    Last edited by kdennis14; February 26th, 2015 at 10:34 AM. Reason: adding sentence.

  2. #32
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    The very first semi-hydroponic pot actually came home containing won-ton soup!

    Over the years, I have used pretty much any plastic container I could find, from styrofoam coolers to vases to trash cans.

  3. #33
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    Thank you Ray,
    I have learned so much from you alone. Everyone here is just awesome. I am a plastic container girl now!
    Karen


    Ray, I love your website.

  4. #34
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    Quote Originally Posted by kdennis14 View Post
    ...
    BOY I WISH LIVED IN HAWAII
    Gets 'pricey' sometimes.

    Here are pics of a re-potting of Den. nobile in s/h today. With dendrobiums remember they like 'tight-feet' so you use the smallest pot that will accommodate the plant, but not too tight since that would not work as well with semi-hydro. I assume s/h works with other Den. nobile type hybrids since the is the species Den. nobile, and species tend to be pickier than the hybrids. The one pictured is still young. I have another species Den. nobile in s/h that is in a tilted pot so it is semi-pendulous with stems about 2 1/2 ft long, and the new growth may be even longer this year. The only problem with that setup is that as the stems get longer and heavier the pot needs to be firmly anchored, and even then the looseness of the s/h media may cause the plant to completely come out of the pot. Don't know what to do about that except have a secondary support partway up the stem. Most Den. nobile hybridss don't get that tall, so they shouldn't be a problem either way.

    Just out of the old pot. Roots still wet.
    Name:  IMG_1594_Dendrobium_nobile_s-h_repot25crop_p500.jpg
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    Cleaned up. Left pellets still on healthy roots.
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    Repotted vertical with bamboo to steady it.
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  5. #35
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    WOW, Yug.........I love it. I cannot find S/H that you use. I use lava rock on some and corks on some and reg. bard for those I have not gotten to yet.
    Thank you so much for sharing.

  6. #36
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    The best used to be something sold as 'PrimeAgra', but something changed a few years back on how they made it. I don't know if it was a different batch of clay, or a change to the processing, but all of a sudden my 'chids weren't as happy as at first. This in the picture is 'Hydroton', but sometimes even that is not good. I try to get more roundish pellets since they tend to leave more space in between. Odd shapes may pack together more, but that depends on how much settling has been done since you first potted.

    Ray may know where to find media in your area.

  7. #37
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    The original product sold as PrimeAgra was a rebranded product made in Holland. The quality control went to hell - bad particle size grading, excessive manufacturing residues, etc, and it was a mess. A few principals of the company started their own plant in Belgium, and with the help of commercial hydroponic growers in Europe and Canada, plus me from the orchid side (and being a ceramic engineer), they actually tailored their manufacturing to meet the needs of plants, rather than for use as a concrete aggregate, which is what all other grades of LECA are.

    The new product is actually better, but some objected to the change.

    That product

  8. #38
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    Ray,
    I live in a small town in Central Fl. Inverness, Fl. I cannot locate any anywhere.!!! I like lava rock, how do you feel about that?

  9. #39
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    I am not a fan of lava rock, Karen. When I experimented with it, it noticed that it built up minerals and waste far more quickly than decent brands of LECA. However, having said that, if you have a ready, inexpensive supply (I don't, up here in PA), and are willing to repot a bit more frequently (~2 years, maybe???), there is no reason it won't work, but you may have to go a bit coarser to ensure good air flow.

  10. #40
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    Thank you again, Ray.

    I go to HDepot and buy a 40lb bag. It is course. It costs $3.84 a bag. So far every orchid I have put in it is doing well. Lots of watering though. BUT.....I do not mind that. If I had Leca I would use that. I really appreciate your help. You are so knowledgeable, and so helpful. Thanks a million.
    Karen

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