Originally Posted by WaterWitchin: That's actually not "real" S/H. It's using LECA as an inert growing medium.
Quote:
Originally Posted by GinaStarSeed
I would disagree. It's semi-hydroponics with a different pot. The fact that they consantly sit in a water resorvior and use inorganic medium is what makes it semi-hydroponics. THe type of pot has nothing to do with whether of not it is semi-hydroponic. They are in near constant water supply. That is semi-hydroponic.[COLOR="Silver"]
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And I would most respectfully disagree with you, and would clarify I was speaking of "real" S/H as in Ray's trademarked method. An orchid grown in full water culture is also not semi-hydroponics, but would fit your descriptors.
Many use LECA as an inert growing medium. A net pot in a saucer of water is unable to sustain LECA in true semi-hydroponics, as the wicking of the LECA fails due to the net pot. The dry line would always be right above water/saucer height.
Another example of LECA as an inert growing medium: I have an onc. in a two quart clear container, originally drilled with a two-hole reservoir and used in "real" S/H fashion. It didn't like the dry line, and I'm a lazy waterer.
So I dumped out half the LECA and filled the top half with a bark/sphag/perlite mix. I still water it as one would S/H (Flush) but the dry line within a day or so is well below where the LECA line is. Sounds like S/H, but it's not. It's using the LECA as an inert medium to help sustain moisture in the dryer bark mix above it. I'll try to take a picture and post later.